首次的

A geometrical method of judging whether nonlinear differential equation of oscillation has stable solution—phase plane method, is applied to analyze operation stability for the first time.

首次将研究非线性振动微分方程稳定解判据的几何研究方法——相平面法——用于脉冲燃烧运行稳定性研究。

The oscillatory curve of is symmetrical which can be described by a function of sin square.

这是首次利用铁磁共振获得的结果。当厚度大于8。

Objective To establish a method for human osteoclast marrow culture on the base ofpreviously published method.

目的 在国内前人建立动物破骨细胞骨髓培养方法的基础上，首次建立人破骨细胞骨髓培养法。

We have first constructed an ouabain ScFv phage library in the world by advanced phage display technique.

应用先进的噬菌体抗体库技术，我们在国际上首次构建了哇巴因噬菌体单链抗体库。

Fourth,Simul8 will be introduced in logistics simulation for the first time in this paper,and use it to build the simulation model of distribution and procurement business process;at the condition of out-of-stock,it uses Arena to construct the optimal order point simulation model under VMI,and advances the simulated optimization program.

第四，本文首次将Simul8引入物流仿真领域，并用其构建了采购配送业务流程仿真模型；在允许缺货的条件下用Arena构建了VMI下最优订货点仿真模型，并进行了仿真运行和仿真分析，提出了仿真优化方案。

The pharmacokinetic study of Yin-Huang preparations in rat was carried outby HPLC, and pharmacokinetic parameters were calculated and discussed.

首次采用HPLC开展了银黄制剂在大鼠体内的药代动力学研究，计算并分析了药代动力学参数。

In the last few quarters, wage rises have started to outstrip rises in productivity for the first time in years.

过去几个季度，薪资涨幅已开始超过生产率增幅，这是多年来的首次。

This has turned into humanity's first overland expedition on another planet.

它已经实现了人类在另一星球上的首次陆地勘探。

In the beginning Oxford is first mentioned in 912, and the county of Oxfordshire was formed in around 1007, but people lived here long before.

开端牛津的名字在912年首次出现，而牛津郡则在1007年建成，在此之前，当地居民在在这里已经生活了很久。

It was found for the first time in b-FeSi2 based thermoelectric materials that a p-type semiconductor could change to an apparent n-type one, when the temperature was decreased below a critical temperature.

本项目研究首次在b-FeSi2基热电材料中发现"热伏极性"反转现象，即p-型半导体在某个临界温度以下表现为明显的n-型半导体热电特性。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。