查询词典 necessary

In the development of observatory control system for LAMOST, it is necessary to model the whole system from all angles.

在LAMOST观测控制系统的开发过程中，需要从各个角度对LAMOST观测控制系统进行建模。

In fact, the mine is made up of rhyolite and obsidian that has gas pockets in it, and silica which is necessary for much gemstone production and was carried to its.

事实上，地雷是由流纹岩和黑曜石它已在天然气口袋，这对硅很多宝石生产进行必要的和它的。

The initiative obtainment of knowledge is necessary for children development and important way of inner maturity.

主动占有知识是儿童发展的必经阶段，是学生获得内在发展的重要前提。

Social and economic rehabilitation as well as protective employment obtainment are necessary in solving the problems.

开展麻风受累者的社会经济康复和保护性或福利性就业政策对于麻风残疾病人是必须的。

Despite its obviousness, this perception of the physical unfruitfulness of money was a necessary step on the way to full realization of the problem of capital and interest.

且不管货币不会结果这样一个明显事实，对于资本和利率问题全面领会，它至少是必不可少的一步。

With the daily obviousness of global e-co-crisis, to syncretize the two is a necessary option, this is either the tendency of theoretic development or a practical requirement.

随着全球性生态危机的日益凸现，科学与人文的融合是必然选择，这既是理论发展的趋势又是现实的要求。

While the Chinese Property Law is being enacted, it's necessary to re-review the systems and conceptions of accessio according to the principle of Occam's Razor and so to construct a sophisticatedly simple new system.

在我国制定物权法之际，有必要在比较若干添附制度文本的基础上，检讨与反思传统的添附观念与体系，重构一个明智简约的添附制度新体系。

In this case it is necessary to use Ambient/Occlusion to avoid this problem.

此时你需要使用Ambient/Occlusion 来解决这个问题。

It is necessary to analyze the effects of orbit uncertainty of the low Earth Orbiter on the observation in GPS occultation for atmosphere monitor.

GPS掩星监测大气方法中需要载有GPS接收机的卫星的精密定轨信息，而该卫星的轨道精度对GPS掩星监测大气的效果进行分析是十分必要的。

They should inform the occupier of the premise s and other employers or their workers who may be affected, of any risks which are created and the necessary preventive measures.

他们必须通知这些工作场所的使用人与雇主或相关员工，该项作业可能衍生的风险与必要的防范措施。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。