一阶

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

This thesis studies the analytical methods of determination of Leucogen and Hydroxymethylnicotinamide by Ultraviolet and Atomic Absorption Spectrscopy.

本文研究了分光光度法和原子吸收光谱法测定利血生及羟甲基烟酰胺的分析方法，提出了利血生的三种测定方法和羟甲基烟酰胺的一阶导数峰-零法的测定新方法，并用于实际样品的测定，获得满意结果。

This paper also gives a numeral model of LCS problem by using string-coding function, and proves that the LCS problem can be treated as so_called Tomograph problem and be solved with algorithms and hardware suitable for Tomograph problem.

本文提出与LCS问题和一阶Unification问题对应的两种格代数系统，并用项图描述Unification问题，从而构造得到这两种格代数系统之间的同态，使得用求解LCS的算法和硬件求解一类Unification问题成为可能，给出基于LCS硬件的Unification求解器的原理方案。

I heard that you can get the red key at two places in this block.

我听说你在这一阶可以在两个地方弄到红钥匙。

The algorithm is to find all the alternatives of power service restoration paths to the isolated subsystem firstly, and then the optimum scheme may be determined according to the magnitude of the first order moment of the load that the isolated system should transfer to different liaison nodes.

该方法首先对故障元件隔离之后的&孤立岛&求出所有可能的恢复供电路径，根据需要转移的负荷到各路径联络节点的一阶负荷矩的大小，确定最佳的供电恢复方案。

We modeled it by means of centralizing the distributed system parameters and establishing it with dynamic modeling.

目前在研究飞机操纵系统时，一般是将从舵机到操纵舵面的机械传动部分处理成一阶惯性环节。

By using the boundary conditions of the statically indeterminate shaft with three fulcrums,the deflection curve square of the shaft is got;By utilizing the energy method to improve the calculation formula, the accurate first order critical speed of the statically indeterminate shaft with three fulcrums is obtained quickly.

通过满足三支点静不定轴的边界条件来求解基本方程，得到多跨静不定轴的挠曲线方程，并应用能量法改进了计算公式，快速准确地求得三支点静不定轴的一阶临界转速。

His prospective father-in-law, however, reneged, perhaps making this not only the first derivative but the first default on a derivative.

他未来的岳父，但食言，也许这不仅使一阶导数，但第一次违约的衍生产品。

Makes the chance of an opponent riposting an offhand attack 20% lower per rank.

每一阶可以降低对手反击副手武器攻击机率20%。要求：等级66。

The linear dispersion relation of the enhanced equations is the Pad\'{e} [4,4] expansion of the linear Stokes dispersion relation, the accuracy of which is acceptable even when the relative water depth is as large as 1.0. Its nonlinear property and shoaling gradient are also improved.

改进后方程的线性色散关系达到了一阶Stokes波色散关系的Pad\'{e}[4，4]近似，在相对水深达1.0的强色散波浪时仍保持较高的准确性，并且方程的非线性和线性变浅率都得到了不同程度的改善。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。