查询词典 direction-finder

It has the features of lightweight, antifriction, definite indicating direction, handy switching and flexible operation etc.

该阀采用优质钢板焊接而成，根据不同的需要配备不同的执行机构，具有轻巧耐磨，开位指示明确，切换方便，操作灵活等特点。

Luxun and Hushi are the most important persons on China contemporary literature history and antilogy history, they delegate two different types intellectuals. They lead Wusi new culture movement by different thoughts and practices, and affect the direction of the china modernization.

鲁迅与胡适是中国现代文学史及思想史上影响最大的两个人，他们代表着两种不同类型的知识分子，以不同的思想和实践引导着五四新文化运动的发展，并深刻影响着几十年来中国现代化之路的文化方向。

Based on the temperature-dependent complex dielectric constant of Indium Antimonide, an InSb-dielectric-InSb plasmonic waveguide structure with the grating is proposed. At the frequency of 1 THz, a directional beam is obtained, and its radiation direction can be controlled by changing the temperature difference between the grating structures on each side.

本文根据锑化铟材料在THz波段下复介电常数对温度的响应特性，采用了带有光栅的锑化铟-介质-锑化铟的表面等离子体波导结构，实现了1THz频率光束的准直出射，并能够通过调整结构两侧光栅的温度差来控制出射光束的角度。

An initial current sheet separates the simulation domain with antiparallel magnetic field components in the x direction.

初始电流片将在x方向上具有反平行磁场分量的模拟区域分成两部分。

Two types of assumed disturbances are considered:(1) the perturbed field is almost uniform in the direction antiparallel with the dipole's axis,(2) the perturbed field is originated from a ring current situated between 5 to 8 earth radii on the equatorial plane.

地磁扰动我們分別取以下两种形式：(1)当扰动磁場是均勻的而且其方向与磁軸相反；(2)当扰动磁場是由位于赤道面上5至8个地球半径的电流环引起的。

In a low magnetizing field the coercivity of the non-aligned magnet is higher than that of the aligned magnet; the coercivity of the sample magnetized antiparallel to the aligned direction...

低场时非取向样品比取向样品的矫顽力大，外场反平行于取向方向比平行于取向方向的矫顽力大，而在足够大的外场下二者趋于相等。

The continuous ultraviolet laser with 351 nm wavelength was focused on the -z surface of nearlystoichiometric LiTaO3, and the homogeneous electric field which was antiparallel to the direction of spontaneous polarization was applied simultaneously.

波长为351nm的连续紫外激光被聚焦在近化学计量比钽酸锂晶体的-z表面，同时沿与晶体自发极化相反的方向施加均匀外电场。

The continuous ultraviolet laser with 351 nm wavelength was focused on the -z surface of nearly-stoichiometric LiTaO3, and the homogeneous electric field which was antiparallel to the direction of spontaneous polarization was applied simultaneously.

波长为351 nm的连续紫外激光被聚焦在近化学计量比钽酸锂晶体的-z表面，同时沿与晶体自发极化相反的方向施加均匀外电场。

In such a medium, the direction of the Poynting vector monochromatic plane wave is antiparallel to that of its phase velocity. Because of that, DNG displays some unusual electromagnetic properties such as backward-wave effect, negative refractive effect, perfect lens and a limit situation, zero index of refraction materials.

在这种材料中，单色均匀平面波的相速方向和坡印亭矢量方向是相反的，因此使双负材料表现出一系列反常的电磁特性如：回波效应、负折射效应、完美透镜效应和一种极限情况即零折射率材料等。

Description :A lens-shaped, ground-emplaced antipersonnel mine whose blast is focused in the direction of the oncoming enemy.

描述：一种在地面安置的震动感应杀伤性地雷，能对接近的敌人造成巨大的集中伤害。

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％。