查询词典 necessary condition

Therefore,it is necessary to construct a lightweight Web framework that is equipped with low intrusiveness and able to make the J2EE platform technology in a coupling state.

因此，一个具有低侵入性的、能够让J2EE平台技术处于"松耦合"状态的、轻量级的Web框架是迫切需要的。

The necessity and its intrusiveness of bodily intrusion search make it necessary to impose a serial of restraints on the issuance and execution of the bodily intrusion search.

侵入身体采证的必要性以及其本身所具有的侵犯性，决定了侵入性身体采证的启动以及实施要受到一系列的限制。

Intubate the trachea if necessary and ventilate the lungs with oxygen.

如果必要可以进行气管插管，行机械通气吸入氧气。

For the human understanding, however, which thinks only, and does not intuit, that act is necessary.

续上 要杂多的综合这种特殊活动，然而对那只思维而不直观的人类知性来说，这种活动是必需的。

Fundamental intuitional conditions are necessary for polycentric administration to work successfully.

特定的立法与司法制度，是这种行政体制能够良好运转的基础性条件。

"But it's also scaled on the amount of intuitiveness and creativity necessary on the part of the outsourcing provider's employee," says Larry Keating, CEO of Toronto-based Keating Technologies, a tech-based CRM supplier.

"但规模还款额直观的、创造性的必要部分外包提供商的雇员"，拉尼基廷多伦多总裁为本基廷技术，高科技型的CRM供应商。

In the instance of the furious competiti on of the board and strip material market , using electrostatic oiler was the necessary trend of the company in the board and strip material inunction field to have a good appearance and improve the quotient in the market of the producti on .

在目前板带材市场竞争日趋激烈的情况下，为树立产品形象，提高市场占有率，板带材涂油采用静电涂油机是必然趋势。

The necessary and sufficient conditions under which the form invariance is a Lie symmetry is presented.

建立了系统的运动微分方程，给出了系统在特殊无限小变换下的形式不变性的定义和判据以及系统的形式不变性是Lie对称性的充分必要条件。

Firstly, the recent developments in controllability and observability for switched system are reviewed. Secondly, by means of properties of invariant subspace, the controllability for switched systems with continuous-time and discrete-time subsystems, and a class of discrete impulsive switched systems is respectively investigated. Some sufficient and necessary conditions of controllability are proved. In the end, some simple criterions for controllability and observability of switched symmetric composite systems are set up.

首先介绍了切换系统能控性与能观性方面的一些重要结论；其次，用不变子空间的性质分别研究了同时含有连续子系统和离散子系统的切换系统和一类离散脉冲切换系统的能控性，建立了相应的充分性与必要性判别准则；最后，研究了切换对称组合系统的能控性与能观性，得到了此系统能控性与能观性的简单判据。

I don't think it necessary to invent a newkind of language to take the place of English.

我认为我们发明一种新的语言来取代英语是没有必要的。

Vishnu entered a dark fourth dimensional dream that did not support his field or continued life.

毗瑟挐进入了一个第四密度的黑暗梦想，那里并不支持他的能量场或继续生命。

Leaders and decision-making persons use it to collect the data, including the information of unit work, handing in fee, oweing fee, prepaying fee,changing and afterpaying and account transfering of joining-insurance employee, and account paying of all kinds of insurances from hospitalization insurance institutions.The collected data is picked up, organized, switched and showed to user.

该子系统主要面向各级领导、决策分析人员；从各个医疗保险经办机构和定点医疗机构采集数据，包括在各个医疗保险经办机构处理的单位办公信息，单位缴费、欠费、预缴费信息，参保职工变更信息，参保职工增减变动信息，参保职工补缴信息，参保职工帐户划拨信息：包括各定点医疗机构处理的各险种帐户支出信息，各险种的统筹金支付信息等；将采集的数据提取，组织和转换，然后展示给用户。