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Now an entire radar, the transmitter, receiver and antenna, could be shrunk into a single "transmitter-receiver module" about the size of a carton of milk.

现在整个雷达的发射器、接收器和天线可以缩小到一个单个的"发射接收模块"象一个牛奶盒一样大小。

In this thesis, the study results of the basic characteristics of laser-ablation Cu plasma are given, Following are the details, The research of laser induced Cu plasma emission spectra in airUsing Nd:YAG laser (with a wavelength of 1064nm and a pulse width of 10ns) ablate copper target in air to observe the emission spectra of plasma.

本论文采用光谱方法对激光烧蚀产生的Cu等离子体的基本特征进行了实验研究,主要内容有:空气中激光烧蚀Cu产生等离子体发射光谱的研究利用Q-开关Nd∶YAG激光器产生的1.06μm、10ns的脉冲激光聚焦在空气中的Cu靶上,观测了激光诱导的Cu等离子体发射光谱。

Capability and its absorptivity; and is equal to the emissioncapability of blackbody at the same temperature.

发射能力和吸收率的比值为常数,且等于同温度下,黑体的发射

Depending on the acoustic emission during the hydraulic pressure test,it could be determined whether the defect was originally formed or not with the help of Kaiser effect principle.

近年来,声发射技术在各方面都得到了很大发展,包括声发射的源机理和波的传播研究以及检测系统的研制和应用范围的扩展等[2]。

The output of a direct FM transmitter with pre-emphasis can not be distinguished from the output of a PM transmitter with no added pre-emphasis circuit.

带预加重的直接FM发射器的输出和不带预加重电路的PM发射器的输出是没有分别的。

The German 88, without doubt the best artillery piece of the war, in the opinion of every GI, was a high-velocity, flat trajectory weapon that could fire armor-piercing shell down the lanes and roads of Normandy, or be elevated and fire high-explosive airburst shells against Allied bombers.

德军88口径炮——所有美军均认为,88口径炮无疑是此次大战最好火炮——为高射速,可平射之武器,其发射之穿甲弹可打穿树篱,打到诺曼底篱间小径和公路上,也可以昂起炮口,以发射高爆空炸弹头打击盟军轰炸机。

First, there is broadcast television, which reaches the masses through broadbroad-based airwave transmission of television signals.

第一类为广播电视,第一类为广播电视,通过电视信号的宽带无线电波发射展现在大众面前;第二类为非广播电视,现在大众面前;第二类为非广播电视,使用受控的发射技术来满足个人以及某些特殊利益群体的需要。

Results show that the propellant with α-HMX is easy to be ignited and its gas generation brisance and combustion rate is lower than that with β-HMX, and the burning rate pressure exponent of the propellant with α-HMX is 0.1 higher than that with β-HMX and mechanical properties of the propellant with α-HMX is worse.

结果表明:含α-HMX发射药点火容易,其气体生成猛度和燃烧速度比含β-HMX发射药的小,含α-HMX比含β-HMX发射药的燃速压力指数高0.1、力学性能差。

Roughly 30-50% of them are aimed at the carrier, while the others go after accompanying ships. Another salvo of 12-24 missiles was to be launched by aircraft, mainly to saturate the carrier groups defenses. The 30-knot speed of the Oscar I/II submarines enables a rapid approach to the launch area, about 450-500 km from the carrier group, and equally quick evasion after the attack.

大体上有30-50%的导弹瞄准航母,剩余的导弹攻击伴随舰艇,飞机将发射另外12-24枚导弹,主要用来饱和航母战斗群的防空能力。30节的航速使得O/O-II级能迅速占领航母战斗群450-500公里外的发射阵位,并且在发射后快速撤离。

In the subsequent experiments, when the LaBe cathode emitted continuously and the current is 40uA, the minimum diameter of electron-beam spot recorded was 22 um. While the LaB6 emitted pulse, the minimum diameter of the focus decreased and wasnt more than 15um. The reason is that the heat accumulated on the foil-film, which enlarged the focus dimension, reduced remarkably.

当阴极采取连续发射电子的工作模式(发射电流40μA)时,记录测量到的最小电子束焦斑直径不大于22μm;而在相同条件下,以脉冲方式发射电子束时,其焦斑直径不大于15μm,原因是短时间的电子轰击减小了靶面的热堆积效应等。

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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?