precursors

precursors

美 [prɪˈkɜrsər] 　英 [priːˈkɜː(r)sə(r)]

• n.前驱；预兆；前任；先兆
• 网络先驱者；前体细胞；前驱物

词形变化

反义词

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英汉解释

英英解释

例句

By the end of the next decade, a simple blood test could alert doctors to a wide variety of cancer precursors.

下世纪末，医生可以用简单的血样化验预告更多种的早期癌症。

Despite years of searching for earthquake precursors, there is currently no method to reliably predict the time of a future earthquake.

虽然对地震前兆的研究已有多年，但至今仍没有办法能够可靠的预计到未来地震发生的时间。

The question, however, is why it is only a mild recession, since precursors of a depression were surely present.

但问题是，既然萧条的先兆已显露无疑，为何这仅仅是一场温和的衰退呢？

Without doubt, the United States is exhibiting some of the classic precursors to out-of-control inflation.

无庸置疑的是，美国市场已经呈现出无法控制的通货膨胀的预兆。

The REMs, which appear to be at the origin of the dream stage of sleep, can be blocked or amplified by chemical inhibitors or precursors.

似乎是处在睡眠的做梦阶段开始时的快速眼动，却可以受到化学抑制剂或先兆的堵塞或扩大。

For our evolutionary precursors out in the wild, the fight-or-flight response was a valuable survival mechanism.

对于那些处于野外进化中的祖先来说，逃跑或战斗响应是一个宝贵的生存机制。

Even if precursors existed, a few observations would not lead to prediction, because their signature would vary with place and time.

前兆即便存在的话，少量的观察无法导致预测，因为其特征将因地因时而异。

In this framework, countries in which research on precursors is still encouraged and funded are very few.

在这样的框架下，在继续鼓励对地震前兆进行研究的国家经费很少。

Given that years of effort have led to no widely accepted precursors, perhaps there are no valid earthquake precursors.

考虑到这么多年的努力没有导致任何普遍接受的前兆，有效的地震前兆或许就根本不存在。

The results indicated that the structure composes and crystallinity of precursors had been affected with improvers adding.

研究结果表明，改进剂的加入对前驱体的结构组成和结晶状态产生一定影响；

These were precursors to CDOs, the pools of mortgage-backed securities that were to wreak havoc on the global financial system years later .

这些人是经营担保债务凭证（CDO）的先行者，这种产品即一批抵押贷款支持证券的集合，在此后几年对全球金融体系造成了大破坏。

The most common pathway of their biosynthesis in living organisms is an enzymatic decarboxylation of the appropriate amino acid precursors.

它们在活有机体中合成年夜大都具有配合地路子，是一种使氨基酸去碳酸基地酶。

Precursors to the Mamluks , these slave soldiers are reliable heavy cavalry, equipped with heavy plate mail, lance and a mace.

古拉姆部队为马穆鲁克前身，这些精锐重骑兵训练有素，身穿重型板甲，使用骑枪和狼牙棒进行厮杀。

They're easy to make fun of and easy to accept as our precursors.

人们很喜欢拿它们来开玩笑，也更容易把他们当作我们的前辈。

Precursors to the Mamluks, these slave soldiers make excellent infantry, equipped with heavy mail and a mace.

古拉姆部队为马穆鲁克前身，这些步行骑兵装备重型链甲和狼牙棒，作战极为剽悍。

produces rare &fine chemicals for research. Organophosphorus compounds and radiopharmaceuticals organic precursors listed in online catalog.

研究用稀有与精密化学品的生产，提供有机磷化合物与放射药物有机物线上目录。

Competition For Glutathione Precursors Between The Immune System And The Skeletal Muscle: Pathogenesis Of Chronic Fatigue Syndrome.

免疫系统和骨骼肌肉间对谷胱甘肽前体的争取：慢性疲劳症候群的发病。

VRC01 precursors do not bind tightly to HIV, but rather mature extensively into more powerfully neutralizing forms.

VRC01的前体并没有牢固结合HIV，但是宁愿成熟为具有更广泛的有压力的中和形式。

Effects of temperature on coke and its precursors formation were studied during catalytic cracking of toluene over USY catalyst.

以甲苯为模型燃料，研究了温度对USY催化燃料裂解结焦及其前驱体的影响。

Organ-montmorillonite can be used as catalysis, catalysis supports, adsorbents, filler and precursors for preparing nanocomposites.

有机蒙脱石广泛用作催化剂和催化剂载体、吸附剂、填料以及制备纳米复合材料的前驱体。

N- nitroso compounds and their precursors(amine and nitrite) are often produced in a long fermentation process of fish sauce.

鱼露在发酵过程中，常常会产生N-亚硝基化合物及其前体物（胺类物质及亚硝酸盐、硝酸盐）。

Among these aroma precursors, fatty acids and glycosides have caused the researcher's attention as the important aroma precursors.

其中脂肪酸和糖苷类物质作为重要的茶叶香气前体物质则引起了研究者的重视。

Besides, these compounds have the same character that all can be transformed to precursors of polyketide biosynthesis.

而且它们都具有转化为聚酮合成前体的共同特征。

The mediaeval burgesses and the small peasant proprietors were the precursors of the modern bourgeoisie.

中世纪的城关市民和小农等级是现代资产阶级的前身。

We have already encountered the precursors of this process in the dialectic of binding and in the character of the binder bound.

在捆绑的辩证法及捆绑者反被捆绑的特性中，我们已经遭遇到这种过程的先驱者。

Vitellogenesis of Eriocheir sinensis is regulated by circulating hormones. The yolk precursors are called vitellogenin.

中华绒螯蟹的卵黄形成也受各种相关内分泌激素的调控。

In mammals, the processing of the 3' end of nuclear mRNA precursors is divided into two main steps, which are cleavage and polyadenylation.

哺乳动物细胞核内前体mRNA3’端加工主要分为切割与多聚腺苷酸化两个步骤。

Finally, phagocyte precursors may undergo malignant transformation, which results in acute or chronic myelogenous leukemia.

到最后，吞噬细胞前体可能发生恶变，导致急性或慢性骨髓性白血病。

Epicatechins Precursors of oligomeric procyanidins with antioxidant properties. Found in green tea, wine, apples, pears and chocolate.

表儿茶素：是一类具有抗氧化特性的低聚原花青素前体，存在于绿茶、葡萄酒、苹果、梨和巧克力中。

Certain precursors for non-wetting coatings selectively attach to certain materials, while substantially not attaching to other materials.

非湿润涂层的特定前体选择性地附着于特定材料，同时实质上未附着于其它材料。

The higher crystallinity products were acquired with dispersants adding, it mostly affects precursors' second states of aggregation.

分散剂主要影响前驱体的二次聚集态，制备的前驱体具有较高结晶度；

The precursors of these wall molecules, microfibrillar pectins, then accumulate and block the tube.

这些细胞壁分子前体——果胶纤丝发生积累并堵塞花粉管。

One of the overarching goals of astronomy is to trace the development of galaxies and their precursors as close as possible to the big bang.

天文学最主要的目标之一，是尽可能追踪星系与其前身的演化，直到大霹雳为止。

For this reason, the most commonly discussed panspermia scenario involves the transport of microbes or their precursors from Mars to Earth.

基于这个理由，最常受人讨论的胚种说就是：微生物或其前驱物，是从火星送到地球的。

These pumpkin-shaped modules are precursors to possible research labs or factories that could make products under weightless conditions.

这些形似南瓜的单元作为前期试验品，今后也许能演化出空间实验室，或进行无重力生产的工厂。

Furthermore, the cross linked products can be separated by HPLC from the crosslink precursors and the unreacted TME.

此外，交联产品可以分离高效液相色谱法从交联前体和未反应的屯门东。

It was found that these rigid molecules are precursors of fluorescent probes sensitive to solvent polarity.

发现这类荧光分子具有很强的溶剂敏感性，是潜在的极性微环境荧光探针的前体。

Thousands peer reviewed articles were published for various earthquake precursors. I studied them and found their common problems.

成千上万的经过同行审核的文章发布了种种地震前兆，我对它们进行了研究，发现了共同问题。

Cells require a constant supply of macromolecular precursors and oxidizable substrates to maintain viability.

细胞需要不断供应高分子前体和氧化基板保持活力。

The pink intranuclear inclusions in the erythroid precursors seen here are characteristic for parvovirus infection.

核内可见粉红色包含体是病毒感染的典型特征。