查询词典 an element of

The general condition for athermalizing an optical system when the object surface is at finite or infinite distance is deduced in this paper, and the principle and design method of employing a diffractive optical element to athermalize and achromatize an optical system with normalized T-C chart are expanded.

推导了物面位于有限远和无限远时，实现热补偿的通用条件；并阐述了利用归化T-C 图设计消热差和消色差的红外光学系统的原理和方法。

The general condition for athermalzing an optical system when the object surface is at finite or infinite distance is deduced in this paper, and the principle and design method of employing a diffractive optical element to athermalize and achromatize an optical system with normalized T-C chart are expounded.

本文推导了物面位于有限和无限距离时实现光学补偿的通用条件，论述了利用归化T-C图设计热补偿和消色差红外光学系统的原理和设计方法，给出了8-12μm波段内、焦距123mm、相对口径F/2.5在20-60℃温度范围内的折衍混合红外光学系统的设计结果和理论评价结果，所述的设计方法可方便地推广到前视红外系统中。

052 Describes and claims a body of polycrystalline dielectric ceramic material having a lead zirconate--lead titanate--lead stannate composition falling within the area A B C E F of the triaxial diagram 1d of the drawings accompanying this specification and containing at least one substitutional additive ingredient selected from the group consisting of elements having respective ionic radii sufficiently close to the ionic radius of one of the elements lead, tin, titanium, zirconium and oxygen to permit of substitution, and a valence state differing from that of said one element by less than three units, the aggregate quantity of additive ingredient amounting to from 0.1 to 5 percent of the replaced ion on an atom basis, each additive ingredient present in said material being in ionic form and substituting for a finite percentage of the ions of a particular one of the elements lead, tin, titanium, zirconium and oxygen with respect to which it conforms with regard to ionic radius and valence state, said additive ingredient replacing a quantity of said elements having in the aggregate an equal number of valence units.

参考译文：第 1012052 号专利说明书介绍一种含有锆酸铅，钛酸铅，锡酸铅的多晶陶瓷介质材料，其组成在说明书附图 ld 三元相图中处于 A B C E F 区域内，该组成至少还含有一种置换添加物，这种添加物从一组离子半径分别接近于铅，锡，钛，锆，氧的元素中选出，以利于互相置换，而与上述一种元素化合价之差应小于三价。该添加物的总量为被置换离子的 0.1%~5%克原子。上述材料中的每种添加物是以离子形式存在的，它以一定的百分数置换铅，锡，钛，锆，氧中的某一元素的离子。添加物在离子半径和价数上必须类似于上述任一元素，并且置换添加物的量与被置换的元素在总体上具有相等的化合价数。本句由两个简单句构成，一个主句，另一个是定语从句。

In this research, an axisymmetric finite element model of pull-off test for an incompressible elastic layer adhesively bonded with a rigid flat probe was built using ABAQUS.

在本篇研究中，不可压缩之弹性层与平面探头的轴对称有限元素拉拔模型将使用ABAQUS来模拟，而界面的黏著特性则使用黏著元素。

White phosphorus is a common allotrope of the chemical element phosphorus which has found extensive military application as an incendiary agent, smoke-screening agent, and as an antipersonnel flame compound capable of causing serious burns.

白磷属于磷元素的一种同素异形体，这种化学物质被广泛应用于军事燃烧弹，烟幕弹的制作中，其杀伤性燃烧混合物可以造成严重的烧伤。

Physics Of or relating to an isotope with an atomic mass greater than the average mass of that element.

重的：原子质量比该元素的平均原子质量重的同位素的或与之有关的

Of or relating to an isotope with an atomic mass greater than the average mass of that element.

环境保护和治理：加强环境保护和综合整治力度，城市环境质量明显改善。

What is represented by the symbol AZX is an atomic species called a nuclide of the element X, having an atomic number Z and a mass number A.

符号AZX代表的是元素X的一种核素，其原子序数是Z，质量数为A。

3 The operation of an auxiliary control device in an automatic toaster shall disconnect the element or elements that it controls from all conductors of the supply circuit in a cord-connected toaster and from all ungrounded conductors of the supply circuit for a permanently connected toaster if live parts are accessible to the extent that they are subject to unintentional contact when the appliance appears to be in a de-energized condition.

24.3当电器处于未曾加强的条件下，若活动件易于碰到无意识接触的区域，在自动多士炉中的辅助控制装置应断开其控制的发热组件，或线连接多士炉的所有电源导体，或永久性连接多士炉的所有非接地导体。

Besides fight, other the element that concerns with the player is met as the player's change change, be like the shop of more player patronage, its commodity will be increasing, the price will be more and more expensive at the same time; And after the player killed very much Xiaolong, dragon mom can come aid blast; Hit in same area even too long same an eccentric person, this kind of an eccentric person can become little slowly, till eradicate...

除了作战，其他与玩家有关的因素都会随着玩家的变化而变化，如较多玩家光顾的商店，其商品会越来越多，同时价格会越来越贵；而玩家杀了很多小龙后，龙妈妈就会赶来助阵；甚至在同一区打太久相同的怪物，这种怪物就会慢慢变少，直至灭绝

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。