查询词典 essential

Continuity of purpose is one of the most essential ingredients of happiness in the long run.

从长远的角度看，不停地追求目标是构成幸福的最重要的成分之一。

The creation of world model database is an essential part in generating continuous and dynamic images.

景物模型数据库的建立是提供连续、动态景象的必要环节。

In this paper,the boundary singular kernel method in Reproducing Kernel Paicle Method has been applied to impose the essential boundary conditions in EFGM by revising the MLS shape function.The stress field and the displacement field are analysed by linear elastic theory.The contour integral method is used to calculate the J-integral,then the stress intensity factors of mixed-mode crack is acquired.The correctness and the validity of the method are validated.

本文将再生核质点方法中的边界奇异权方法引入EFGM中，通过对MLS形函数进行修正实现了本质边界条件在节点处的精确施加；运用线弹性断裂理论分析裂纹板的应力应变场，采用围线积分法计算J积分，给出了复合型裂纹板的应力强度因子的无网格伽辽金方法。

The life insurance contract is the essential means to embody the life insurance institutions.

人寿保险合同是寿险制度得以实现的具体手段。

Conclusions— Junctin is an essential regulator of sarcoplasmic reticulum Ca release and contractility in normal hearts.

结论-连接素是正常心脏肌浆网钙释放和收缩力的重要调节因素。

Expansion and contraction of blood vessels of normal blood flow is essential.

血管的扩张和收缩对血液的正常的流动是必需的。

In order to solve this contradiction, it is essential to make use of computer to managing salary.

为了解决这一矛盾，利用计算机来进行工资的管理，是十分必要的。

The essential cause of this situation is the contrariety between the limited water environmental capacity and the aggravating pollution burden.

南通市域内水环境形势恶化，未来有加剧趋势，其根本原因在于十分有限的水环境容量与逐年加重的水污染负荷之间的矛盾。

The use of contrasting plays an essential role in the discussion of revealing the main ideas of the book.

对比手法的运用在该著为表达主旨意图的论述中起到了不可或缺的作用。

These psychological and historical considerations are essential in order to understand the contrasting views of the US.

要了解亚洲和欧洲对美国的相反看法，考虑这些心理和历史因素是非常重要的。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。