查询词典 conservation

With the modernization of scientific and technological progress and industrial development, physics, chemistry, biology, engineering, aerospace, medical, economic and financial areas of the many principles and laws can be described as an appropriate ordinary differential equations, such as Newton's laws of motion, gravity law, law of conservation of mechanical energy, energy conservation law, the law of population development, ecological population competition, disease transmission, genetic variation, the trend of the stock's up V, the floating interest rates, the market equilibrium price changes.

随着科技进步和工业现代化的发展，物理、化学、生物、工程、航空航天、医学、经济和金融领域中的许多原理和规律都可以描述成适当的常微分方程，如牛顿的运动定律、万有引力定律、机械能守恒定律，能量守恒定律、人口发展规律、生态种群竞争、疾病传染、遗传基因变异、股票的涨伏趋势、利率的浮动、市场均衡价格的变化等。

To ensure the conservation of total momentum and energy of the system, the best discretization form of conservation equations are suggested.

在保证系统总动量和总能量守恒的基础上，提出了离散方程的理想离散形式。

The bland sameness of space is at the root of both momentum conservation and angular-momentum conservation.

平淡无奇的空间一致性，既是动量守恒的根本，又是角动量守恒的根本。

Based on the laws of energy conservation and momentum conservation, the mass-speed equation is derived through Lorentz transformation .

从能量守恒和动量守恒出发，通过洛仑兹变换，推出了质量-速率关系式。

The World Conservation Union is the world's largest and most important conservation network.

世界自然保护联盟是世界上最大的和最重要的自然资源保护网络。

The dissertation firstly studies the deoxidizing mechanism of the deaerator and sets up a mathematic model based on conservation of mass and conservation of energy.

为改善除氧系统所存在的鲁棒性差等缺点，提高系统的稳定性，本文对智能控制技术及其在除氧系统中的应用及相关技术进行了研究。

The experimental teaching centre of forest resource cultivation and conservation was set up, including soil and water conservation laboratory, desertification combating laboratory, forest cultivation laboratory, seed and seedling laboratory, landscape architecture plan room, forest genetics and breeding laboratory, forest management laboratory, forest protection laboratory, dendrology laboratory, among which specimen room acceded to Chinese Plant Specimen Museum Net and was registered and accepted by international plant taxonomy society, with the international code of GAUF.

其中树木标本室已加入中国植物标本馆网络，并被国际植物分类学会注册认可，国际代码为GAUF。

In brief, with the development of highway in China, and the trends of vehicle high speed, denseness of automobiles, and unprofessional drivers, vehicle safety, energy conservation, and environment conservation are the development topic of the automobile industry. It need improve the function of the tire to meet the requirements of automobile transportation.

总之，随着我国高速公路的快速发展，车辆高速化、密集化以及驾驶员非职业化的发展趋势，汽车安全、节能、环保已成为当今汽车工业发展的主题，这必然要求与之匹配的轮胎性能相应提高，才能满足日益发展的汽车运输业的要求。

Compared with the initial value problems of scalar conservation laws with smooth flux function, the global weak entropy solutions for the initial-boundary value problems of scalar conservation laws with weak discontinuous flux function include the following new interaction types: a rarefaction wave collides with the boundary and is absorbed compltetely or partially by the boundary; a rarefaction wave collides with the boundary and the boundary will reflect a contact or non-contact shock wave; a contact or non-contact shock wave collides with the boundary and is absorbed by the boundary; a contact or non-contact shock wave collides with the boundary and a new non-contact shock will rebound from the boundary simultaneously or later.

与具有光滑流函数的单个守恒律的初始值问题相比，具有弱间断流函数的单个守恒律初边值问题的整体弱熵解中包括下列新的相互作用类型：稀疏波碰到边界并被边界部分或全部吸收；稀疏波与边界相撞，边界反射出一个接触或非接触激波；接触或非接触激波碰到边界并被边界吸收；接触或非接触激波与边界相撞，边界同时或稍后反射出一个新的非接触激波。

The local government thought much of the protection of local forest plant resources since the E'huangzhang Nature Reserve was set up, however, some problems also exist such as short of complete and systematic conservation projects, kinds of contradiction exist, distempered in organization, and technology content needs to be healthy, some problems in conservation technique need to be studied and so on.

阳春市自从建立鹅凰嶂保护区以来，十分重视对当地的森林植物资源的保护，但同时也存在一些问题，如缺乏全面系统的保育方案，存在一些矛盾冲突，机构还需进一步健全；保育技术上存有一些问题值得探讨等。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。