查询词典 necessary condition

Under the new condition, it is necessary to clarify further the final goal toward which the gold market of our country will develop. The goal is that: the gold market of our country should be built to be a characteristic far-eastern gold market.

在这样一个新条件下，有必要进一步明确我国黄金市场发展的最高目标，那就是：将我国黄金市场建设成有特色的远东地区黄金市场。

Workers can adjust single-speed of cooling machine to a reasonable working under the conditions of the fire kiln, the thick layers and the secondary air temperature .It creates a favorable operating condition .To strengthen the size of the sealed gear and maintain the cleanliness of lubricants , is necessary.

在本课题中交流电动机改为直流调速电动机，看火工可以根据窑况、料层的厚薄以及二次风的温度进行手动调节单筒冷却机的转速以求获得合理的工况，为看火操作创造了有利条件。

On the other hand, the large proportion of water in CWS causes ignition delay and flame instability. The great challenge confronted by CWS combustion facility makes it necessary to optimize its geometric structure and working condition.

水煤浆中大量的水分导致点火延迟，难于稳定燃烧，因此也给水煤浆的燃烧设备提出了挑战，需要对燃烧设备的几何结构和操作工况进行优化。

As I argued last week, I am hopeful that Franco-German relations are likely to improve, a necessary but not sufficient condition for better governance at EU level.

正如我上周所说，我满怀希望地认为，法德之间的关系有可能改善--这是欧盟层面完善治理的必要非充分条件。

Therefore, to set the simulative model between condition of temperature and light in plastic shed and tomato fruit set is quite necessary to quantitative management of environment in the facilities.

建立温光条件与番茄坐果数关系的模拟模型，对设施番茄环境量化管理十分必要。

Necessary and Sufficient Condition for the Existence of G-Type Lyapunov Function.

年晓红。具有多个执行机构的Lurie控制系统的鲁棒绝对稳定性。

This doue,the paper has further revealed the historical inevitability of the birth of economics of law and the feasibility of its application to China through the analysis of the process of the economics of law movement and its historical contexts .the author argued that the rationality and the condition of the practice of economics of lawin China lies in its congruence with the inherent law of the market economy,which makes it necessary for the economics of lawto be introduced into China.

笔者认为，法律经济学在中国发展的合理性和土壤在于它符合市场经济内在规律的要求，市场经济呼唤法律经济学在中国的运用和发展。

In this thesis including six chapters,we presents a combinatorial stabilized/(first or-der equation)Galerkin least-square finite element method for viscous incompressible flowproblem to circumvent inf-sup condition necessary for the classic Galerkin mitred finiteelement method.

在由六章组成的论文中，我们为粘性不可压缩流动问题提出一种消除了经典混合元中离散inf-sup条件约束的组合稳定/最小平方有限元格式。

For the structure stress condition, the dead load is born mainly by continuous rigid-frame, and the live load is born by both the arch rib and the main beam, the force separately bora by the arch rib and the main beam is influenced by the whole rigidity of beam and arch, and by areas of flexible hanger rod, the structure perforce is no longer same with the common beam and arch, and the inner force analysis progress is more complex to the common bridge system, especially, the multi-direction stress analysis to the combination area of pier、 arch and beam is very difficult, for such reasons, so it is very necessary and important to have stress performance analysis in the combination area of pier、 arch and beam.

从结构受力情况来看，梁体自重主要由连续刚构承受，活载由拱肋与主梁二者共同承受，各自承受力的大小受梁、拱相互整体刚度、柔性吊杆面积的大小影响，结构性能已不同于一般的拱与梁，结构内力分析的过程较一般桥梁体系较为复杂，特别是墩、拱、梁结合处的多向受力状况的分析难度更大，所以对该桥式结构，墩、拱、梁结合部的结构受力特性进行进一步地理论分析测验研究也就显得十分必要和迫切了。

In order to ensure long transmitting pipeline gas supplying, it is necessary to understand the operation condition of pipelines and its pressure and temperature along tube.

为保证长输管线的末端用户的用气，必须了解管线的运行工况，延程各点的压力，温度。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。