first-order value的意思|示意

Therefore, in order to construct the first defense line for soil erosion, low benefit value zone which locates in Kuyehe River basin and Huangfuchuan River basin is commanded to be selected firstly.

因此，构筑减少黄河粗泥沙的第一道防线，建议首选位于减沙效益低值区的窟野河和皇甫川流域。

In this paper, by using the fixed point index method, the authors discussed the periodic boundary value problem of first order differential systems.

摘要利用锥上的不动点指数研究了一阶非线性常微分方程组的周期边值问题。

Using the contraction mapping principle, we proved a theorem about the existence of solution for initial value problem of a class of implicit ordinary differential equations of the first order.

本文应用压缩映象原理证明了一阶隐式微分方程解的存在唯一性定理。

This method arranges an integrated prior order of the factors influencing the post value at first, and then carries on a fuzzy comprehensive evaluation to each post.

这个方法首先对影响岗位价值的因素进行排序，然后对每个岗位进行模糊综合评价。

The mean-value-first-order-second-moment method and advanced first-order-second-moment method are used to analyze the aseismatic serviceability of water supply network.

借鉴结构可靠度分析方法，给出了供水管网抗震功能可靠度分析的一次二阶矩方法。

This paper gives several determined value rules to type of indeterminate forms of functions of two variables. These contain the first order and the second order decision rules of the limit.

给出二元函数型来定式的各种值法则，包括一阶极限判定法则和二阶极限判定法则。