查询词典 avalanche

Soil erosion is one of the most important ecological environment problems in our country, which results in land resource destroy, soil degradation, land productivity decrease, water pollution, river and water storage works aggradation, flood, avalanche, mudrock flow and menace to the life and wealth of people, and so on.

土壤侵蚀问题是目前我国面临的主要生态环境问题之一，严重的水土流失不仅破坏土地资源、降低土壤肥力、制约粮食生产增长，还污染水环境、淤积河道和蓄水工程，导致洪水、崩塌和泥石流等灾害频繁发生、威胁人民的生命财产等。

Chapter 4 presents five design criteria of S-boxes of block ciphers, develops a method of constructing large S-box by use of algebraic group operation, proves the balance property of these large S-box, tests the strict avalanche and independence of avalanche variables properties of S-boxes in NEA cipher, analyses the nonlinearity and best linear approximation of the S-box, and finally defines the differential of input/output of S-boxes of this cipher and analyses the distribution of them.

第二部分即第三章，提出了一种新的分组密码类NEA(NEA-4A，NEA-8A，NEA-4B，NEA-8B)，完整地描述了该密码类的加解密过程和密钥协议；证明了NEA-4B和NEA-8B的完全对合性和没有不动点的性质；分析了该密码类的安全特征；具体地介绍了实现该类密码的途径；给出了NEA-4A的计算机C语言程序和样本数据。

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The principle is using thefast breakover of avalanche transistor drive the electron tube. The full time of 4200Vvoltage is about 20ns. The circuit can normally work under 100kHz frequencies.Design an extra fast Q-switch circuit by series arrangement of avalanche transistor.

本论文主要做了以下几方面工作：1、推导了重复率激光基本参数(脉冲能量、脉冲宽度和峰值功率)与周期的关系，并且分析了重复率激光系统运转的稳定性。2、设计了雪崩管-电子管退压电路，由雪崩管驱动电子管开关，4200V高压退压沿20ns左右，能够在100kHz频率下工作。

The threshold of lithium tantalite under single-shot is found to be 1.84J /cm 2 and the avalanche rate was determined to be 1.01 cm 2 /J by calculation. We found that avalanche dominates the ablation process, while photoionization serves as a free electron provider.

在800nm飞秒激光脉冲作用下，钽酸锂晶体单脉冲烧蚀阈值为1.84 J /cm 2；在此基础上，我们通过建立钽酸锂晶体中导带电子密度演化微分方程，并数值求解，得到了钽酸锂的碰撞电离速率系数为1.01 cm 2 /J ，并得出在钽酸锂表面烧蚀中，光致电离提供种子电子，雪崩电离起主导作用的结论。

The RECCO AVALANCHE RESCUE SYSTEM utilizes advanced radar technology to make a quick location of an avalanche victim possible.

RECCO 雪崩搜救系统应用最新雷达技术，快速确定雪崩中可能遇难者的位置。

Once, we entered a mountain valley, arrives at the middle time, the star axle struggles suddenly is being called us to retrocede loudly, when the Queen of night last withdrawal mountain valley time, the summit heavy snow sudden avalanche, the entire mountain valley is buried, in the heavy snow avalanche's sound loudly, the star axle rapid breath appears that weak, must be cut off likely, she is really similar to the crystal butterfly is the same, cannot withstand including any wind and snow.

有一次，我们走进了一个山谷，走到中间的时候，星轨突然挣扎着起来大声叫着我们后退，当月神最后一个退出山谷的时候，山顶的大雪突然崩塌，整个山谷被埋葬，在大雪崩塌的轰然之声中，星轨急促的呼吸显得那么微弱，像要断掉，她真的如同水晶蝴蝶一样，连任何风雪都承受不住。

I'm listening to the cypherpunks not because I think that anarchy is a solution to anything but because it seems to me that encryption technology civilizes the grid-locking avalanche of knowledge and data that networked systems generate.

我之所以能听得进去密码浪子们的观点，并不是因为我觉得无政府主义是解决所有问题的万灵丹，而是因为在我看来，加密技术能够让因为网络系统而产生的那种知识和数据的雪崩，那种会将所有空隙填满堵牢的雪崩（grid-locking avalanche）平息下来或者至少变得&文明&一些。

The article introduced the principle and apply of the transistor avalanche through four example of transistor oscillator、 avalanche oscillator、 audio signal generator 、 flash metronome.

本文介绍了晶体管的雪崩原理，通过张弛振荡器、崩振荡器、音频信号发生器和闪光节拍器四个例子介绍了雪崩晶体管的应用。

The deformation failure of the tunnel mainly presented as bending deformation and avalanche at the arch top and avalanche slip deformation at the arch foot, the self-stability is usually good.

隧洞的变形破坏主要表现为顶拱的拉张弯曲变形和崩塌及拱脚的崩塌滑移变形，一般自稳性较好。

It is also known as one of the most poisonous naturally occurring substances.

它也被称为一个最自然发生的有毒物质。

The greatest stress is found at the location on the cross section where V is the largest.

最大应力出现在横截面上V为最大的地方。