first derivative

first derivative

美 　英

• un.一阶导数
• 网络第一导数；一阶微分；一次微分

英汉解释

un.

1. 一阶导数

例句

The limit of this quotient as the time of travel becomes vanishingly small; the first derivative of distance with respect to time.

瞬时速度当运动时间小到可以忽略时，此商数的极值；距离相对于时间的一阶导函数

The algorithm only calculated the first derivative, significantly reduced the computation and had a good convergence.

并且该算法只需要计算一阶导数，极大地减少了计算量，且收敛性较好。

That's the first derivative of that position here.

是这里的，一阶导数。

That's the first derivative of the position versus time.

它就是位置，对时间的一阶导数。

v of position versus time, so I can write for this an x dot.

是时间和位置，v，is，the，first，derivative，的一个关系量，所以把它写作x点。

And that is a point where the first derivative is zero.

这点的导数为零。

I have here first the first derivative, x dot.

首先，有一次导数，x点。

Determination of chloramphenicol content of the compound chloramphenicol cod liver oil liniment by first derivative spectrophotometry

导数光谱法测定复方氯霉素鱼肝油搽剂中氯霉素的含量

multiple positive solutions of a semilinear fourth - order boundary value problem with first derivative

含一阶导数的半线性四阶边值问题的多重正解

Determination of Sulfamethoxazole and Trimethoprim in compound Sulfamethoxazole tablets with first derivative spectra methods

一阶导数光谱法测定复方磺胺甲噁唑片中磺胺甲噁唑和甲氧苄啶含量

Simultaneous Determination of Iron and Palladium in Electroplating Solution and Electroplated Layer by First Derivative Spectrophotometry

一阶导数分光光度法同时测定记忆合金电镀液和电镀层中铁和钯

Determination of fleroxacin in its preparations by the first derivative spectrophotometry

一阶导数分光光度法测定几种制剂中氟罗沙星

Determination of Sulfamethoxazole in Compound Sulfamethoxazole Tablet by First Derivative Ratio Spectrometry

比值光谱一阶导数法测定复方磺胺甲唑片中磺胺甲唑含量

Determination of norfloxacin loaded capsules by first derivative ultraviolet spectrophotometry

一阶导数紫外分光光度法测定诺氟沙星胶囊的含量

Determination of compound benzoic acid tincture by dual-wavelength ratio coefficient spectrometry and first derivative spectrometry

双波长倍率系数法和一阶导数光谱法测定复方苯甲酸酊的含量

First derivative spectrometry for concentration determination of ofloxacin tablets

一阶导数光谱法测定氧氟沙星片的含量

Determination of Flavonoids in Health Food Containing Propolis by the First Derivative Spectrophotometry

一阶导数分光光度法测定蜂胶保健品中黄酮的探导

Determination of the content of quaternary ammonium chloride in 1210 disinfection liquid by the first derivative spectrophotometry

一阶导数光谱法测定1210消毒液中季胺盐氯化物的含量

Determination of Procaine Hydrochloride Injection by the First Derivative Ratio Spectrometry

比值光谱一阶导数法测定盐酸普鲁卡因注射液含量

A mark used as a superscript to indicate the first derivative of a variable

撇号置于右上角的符号，用以标明变量的第一个导数

Determination of Conjugated Diene in Gasoline by the First Derivative Spectrophotometry

一阶导数分光光度法测定汽油中共轭二烯烃

Determination of Magnesium in Drinking Water by the First Derivative Spectrophotometry

一阶导数吸光光度法直接测定饮用水中镁

Studies on determination of growth hormone in PLGA microspheres by first derivative UV spectrophotometry

一阶导数紫外分光光度法测定微球内生长激素的含量

Study on simultaneous determination of copper and zinc by first derivative spectrophotometry

一阶导数吸光光度法同时测定铜和锌的研究

Determination of Ribavirin Eye Drops by First Derivative Spectrophotometry

一阶导数分光光度法测定利巴韦林滴眼液的含量

Positive solutions for second-order m-point boundary-value problems with nonlinearity depending on the first derivative

非线性项依赖一阶导数的二阶m点边值问题的正解

Determination of tretinoin in gel by the first derivative spectrophotometry

一阶导数光谱法测定维甲酸凝胶的含量

Determination of Zinc in Nickel Plating Baths by First-Derivative Polarographic Method

电镀镍液中锌的导数微分脉冲极谱法测定

Determination of nysfungin capsule by first derivative spectrophotometry

一阶导数光谱法测定制霉素胶囊的含量

Simultaneous Determination of Lead and Tin by Using First-Derivative Polarographic Method

导数微分脉冲极谱法同时测定铅和锡

Determination of paeonol of Eczema Spray by first derivative spectral

一阶导数光谱法测定湿疹喷雾剂中丹皮酚的含量

Simultaneous Determination of M-Hydroxybenzoic Acid and P-Hydroxybenzoic Acid by First Derivative Spectrophotometry

一阶导数分光光度法同时测定间位和对位羟基苯甲酸

Extraction of baseline of chromatography based on histogram of first derivative HPLC and neural networks

基于导数直方图和神经网络的色谱基线提取算法

from the discontinuity problem of the first derivative

从不连续问题的一阶导数

Continuity on First Derivative of Wave Function

关于波函数一阶导数的连续性

The Quantitative Analysis Of 1-Naphthol-3, 6-Disulfonic Acid, Disodium Salt by First Derivative UV Spectrophotometry

一阶导数紫外光谱法定量分析1-萘酚-3,6-二磺酸二钠盐