反覆

In joins in the cobaltous acetate resultant besides nano-carbonball, has tubular of matter the minority head harness metal. Adds response the formic acid nickel to be possible to obtain the particle size comparatively greatly to have the carbon-encapsulated. The Co3B obtained resultant shape not to be more irregular also to have the carbon-encapsulated.

当加入醋酸钴反应时，产物中除奈米碳球外，还具有少数头戴金属钴之管状物质；而加甲酸镍时，则可得到较大粒径具有包覆现象之奈米碳球；然而加入硼化钴所得反应产物形状较不规则且具有包覆之奈米颗粒。

First, the effects of magnetic RAM relaxation time and the rise-time of incident pulse signal on reflection signal are discussed, the relationship between the rise-time of incident pulse and relaxation time based on the energy of reflection signal is revealed. Then, the effects of magnetic hysteric, susceptibilities and saturation upon reflection signal are analyzed, the results reveal the reflection of RAM target and UWB signal design. In the meantime, dielectric relaxation time effect about dielectric RAM target is analyzed simply, and the effects of relaxation time and the width of incident pulse upon reflection signal are probed. Finally, a few RAM targets are measured in the chamber using the impulse radar experiment system which is developed by the team of anti-stealth impulse radar on Department of Electrical Engineering, National University of Defense Technology. The experimental results show the similarity of the rule of echos with the theory. From the compared results of different tagets, we concluded, compared with 15% wideband sinusoidal signal, the impulse signal has increased 10～12dB energy from the same loaded RAM target; this, in turn, shows the nonlinear effects of RAM to the echoes, and the potentiality of the impulse signal to RAM targets.

首先分析了磁性RAM的弛豫时间及入射脉冲信号的上升时间对反射信号的影响，从反射信号能量角度出发，给出了入射脉冲上升时间与弛豫时间的关系；接着分析了磁性RAM的磁滞特性、磁化率及磁化强度对反射信号的影响，给出了RAM目标辐射和有关UWB信号设计的一般性结论；其次，对介电RAM的弛豫时间效应作了简单的分析，探讨了介电弛豫时间及入射脉冲宽度对反射信号的影响；最后利用国防科技大学电子技术系&反隐身冲激雷达技术研究组&研制的冲激雷达实验系统，在微波暗室中对几种不同的RAM目标进行了测量，结果表明：其反射波形的基本规律与上述理论分析相一致；从各种不同目标回波的能量对比结果得出，涂覆RAM目标对冲激信号的吸收比15％带宽的正弦信号要小10～12dB，证实了RAM的非线性效应对回波的影响，也证实了冲激信号反隐身的潜力。

Men are so frustratingly inconsistent. That's why I love my Henry.

男人真是反覆无常所以我才爱我的亨利

Generally speaking, the diagnosis of allergic rhinitis is based on a history-oriented, there are recurring abnormal morning itching, sneezing, runny nose-ching, a stuffy nose and other circumstances, we highly doubt, do nasal cell smear and index and blood allergy testing allergens, can be aided diagnosis.

一般来说，过敏性鼻炎的诊断是以病史为主，有反覆发作的早晨异常发痒、打喷嚏、流清鼻水、鼻塞等情形，就要高度怀疑，做鼻腔细胞抹片及抽血测过敏指数及过敏原，可以辅助诊断。

It is clearly indicated that measuring errors can be rapidly decreased and converged to several micrometers through repeated measurements.

经由反覆量测的结果显示，应用本方法可将CMM的量测误差有效地减小并收敛至数微米的量测误差范围。

He said that the United States of repeated provocations, China "can not be indefinitely concessions."

他说，对于美国的反覆挑衅，中国「不能无限地退让」。

The slides can be rescanned for multiple purposes and stored in dark for months without loss of sensitivity.

为了各种目的，板孔可以做反覆多次的扫描检测，即使是放在暗处数月也不会降低灵敏度。

Atrophie blanche is a disease of recurrent and spontaneous ulcerations of the lower leg, and it affects middle-aged women mostly.

摘要白色萎缩症是好发于中年女性下肢的反覆性及自发性溃疡之疾病。

His lectures are so cut-and-dried that I have trouble staying awake -- he sounds like he's been giving the same speech for twenty years!

他的讲课既枯燥又单调。我听他的课老要打瞌睡。他的课听来好像是老生常谈地反覆讲了二十年了。

He doesn't hear all the tiny details that went through my mind while I worked through my rask; he hears only what he needs to know -- information that is fermented and distilled again and again by his staff.

他不太在意我们自己在工作期间所思考的细微末节，他注重的只在於他所必须知道的资讯－是经过工作成员不断反覆思辨、萃选后的资讯。

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。