selectivity
美 
英
- n.选择；选择率；精选；【无线】选择性
- 网络选择度；选择比；选择能力
同义词
英汉解释
n. | 1. 【无线】选择性;选择度;【物】选择能力;选择率 |
英英解释
例句
Affinity-based separation techniques have exquisite selectivity and have been used to purify biomolecules.
亲和性分离技术有较高的专一性，并且已经用于纯化生物大分子。
The selectivity of inhibition is at least as good as that shown by a small interfering RNA targeted to a deletion polymorphism.
选择性的抑制，至少不如说表明了一个小干扰RNA针对一缺失多态性。
How much confidence can one place in the estimate of predicate selectivity?
在谓词选择型评估中，一个会有多大比重？
By altering just a single residue to reverse its charge, the researchers were actually able to switch the selectivity of the filter.
通过只改变单个氨基酸残基来逆转其电性，研究人员实际上能够关闭过滤器。
The results of the calculation showed that this photochemical technique had a high selectivity.
结果表明，原子光化学分离方法具有很高的分离选择性；
We would like to measure the intrinsic selectivity behavior of a catalyst independent of any potential disguises.
我们很想去掉任何可能的假象以测定催化剂固有选择性的可能。
Such selectivity and effective equimolar reactivity has never been demonstrated in a living animal.
这样的选择性和有效等摩尔反应性在活的动物身上还从没有实验证实过。
Then we point out the selectivity of every kind of words about these four exclamatory structures.
揭示了这些感叹结构对不同词语的选择和限制。
As a low selectivity in the receptors, most PD reactions from Chinese herbal monomer extracts turn out to be diversified.
由于对受体的选择性不高，绝大多数中药单体提取物引起的PD反应复杂多样。
The optimizer uses MAGIC values as a last resort when it is unable to accurately predict the selectivity of a predicate .
当优化程序不能准确判定一个谓词的选择性时，它的最后一个手段就是利用MAGIC值。
The paper introduces the basic concept of chirality , target specific selectivity and their relationship in radiopharmaceuticals.
本文简要介绍了手性、靶向性的基本概念以及手性与靶向性的关系。
On a technical level, molecular biology has led to a better understanding of the selectivity of a radiolabeled probe in vitro.
就技术层面而言，分子生物学已导致更好地了解选择性的放射性探针体外。
But some investigation indicates that the system is disengaging its good original intention, and its selectivity is oppugning.
但研究表明，该制度现阶段的实施脱离了其良好初衷，其选择性令人质疑。
Third, both of the models were analyzed to try to explain the mechanism of selectivity in terms of structure.
再次，分别对这两个模型进行机理解释，揭示导致捕收剂选择性结构方面的原因。
The selectivity is reasonably good, even at the high end of the band. A wave trap can be used to null nearby stations.
即使在频率高端，此线圈仍能保持良好的选择性。添加陷波器可以减小强台的干扰。
An estimate source of Guess indicates that the optimizer has no selectivity information to use .
如果查询被确定为是简单查询，则不会显示选择性统计信息，这样将绕过优化程序。
The molecular state-selectivity has been widely used for studying collision dynamics, spectrum of molecules and laser chemistry.
分子的选择性激发已经被广泛应用研究碰撞动力学、分子光谱以及激光化学等领域。
The Histogram utility converts a histogram into a Microsoft Excel chart containing information about the selectivity of predicates.
直方图实用程序将直方图转换为MicrosoftExcel图表，图表包含有选择的信息。
In addition, the chemical nature of the dendrimers strongly determines the chemical selectivity of the sensor device.
另外，枝晶体的化学性质极大程度上决定了传感器器件的化学选择性。
Our laboratory set out to exploit this high selectivity by designing a sensor made of RNA.
我们实验室想利用这种严格的选择来设计以RNA为材质的感应器。
Up to now, the selectivity mechanism of mesosulfuron is still not fully understood.
然而，目前甲基二磺隆的选择性机理尚不清楚。
Conversion and selectivity of catalytic reactions as well as the deactivation rate of the catalyst itself is very temperature- sensitive .
催化反应的转化率和选择性以及催化剂本身的失活速率均对温度十分敏感。
Let me count the ways: First, graduation rates rise with college selectivity, even among equally qualified students.
让我们盘点一下这些方法：首先，名牌大学的毕业率随着学校的知名度而逐次升高。
Methanol was used as a reductant with high selectivity and atomic economy, and six silver ions can be reduced by only one methanol molecule.
甲醇作为还原剂具有高的选择性和原子经济性，一分子甲醇可以还原六个银离子。
The selectivity behavior becomes coupled with the heat release behavior for this particular reaction.
对这个具体反应来说，选择特性和放热特性关联起来了。
As one of the transformer primary protection, differential protection has the features of high mobility, high sensitivity, and selectivity.
差动保护具有高速动性、高灵敏度和选择性，是变压器主保护之一。
For a complete list of the possible sources of selectivity estimates, see ESTIMATE_SOURCE function [Miscellaneous].
有关选择性预计值的可能来源的完整列表，请参见ESTIMATE_SOURCE函数[杂类]。
SARA (Selectivity And Risk Assessment) is a state of the art risk management system.
SARA（选择性和风险评估）是技术发展水平风险管理系统。
and may raise the sensitivity, frequency selectivity and stability of instrumentation, and their service life to a great extent.
可提高仪器的灵敏度、频率选择性及稳定性等，并能大幅度地延长仪器的使用寿命。
Research has shown that the title method is of high catalytic activity, high selectivity and high reaction rate for acrylonitrile transform.
研究结果表明，该法具有高催化活性、高选择性和丙烯睛高转化率等优点。
To determine the selectivity of a predicate over a string column, you should use the ESTIMATE or ESTIMATE_SOURCE functions.
要确定关于字符串列的判定的选择性，应该使用ESTIMATE或ESTIMATE_SOURCE函数。
The correctness of estimating the selectivity highly influences the cost of each execution plan.
选择率估值的准确性对每个执行计划的成本有很大影响。
The method has high sensitivity and fair selectivity and can be applied to direct determination of trace amounts of cadmium in pure zinc.
方法有高灵敏度和较好的选择性，可用于纯锌中痕量镉的测定。
The molecular sieving effect is spoiled due to the existence of defects in zeolite membranes, resulting in lower separation selectivity.
缺陷的存在降低了分子筛膜的筛分作用和分离选择性，从而限制了其工业应用。
The further up the coil from ground, the louder the stations are (to a point) but the selectivity gets worse.
进一步的行动线圈，从地面上，响亮车站（点），但选择性恶化。
In this study, the chiral selectivity of arginase was investigated by means of molecular dynamics and molecular docking.
本文运用分子对接和分子动力学模拟的方法，对精氨酸酶进行手性选择性研究。
In terms of sensitivity and selectivity, the current technology out there is still inferior.
但说到灵敏度和选择度，目前现有的科技设备还处于劣势。
Thus, the observed regioselectivity is a kinetic selectivity and not simply the result of equilibration to the more stable linear product.
因此，观察到的区域选择性是一个动力学的选择性，而不是简单的平衡到较稳定的线性产品的结果。
In particular, it is rather hard for the optimizer to determine the costs and the selectivity of such an index scan.
而且，优化器很难判断那样的索引扫描的成本和选择性。
Index selectivity refers to the ability of an index to locate a desired index entry without having to read additional data.
索引选择性指的是索引所具备的定位所需索引条目而无需读取额外数据的能力。
