基本参数

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。

Stabilization of system is flux of compressor is equal to flux of capillary tube.

本文把制冷剂流量作为系统的基本参数，系统模型的收敛条件为压缩机的质量流量和毛细管的质量流量相等。

On the basis of analyzing the relationship between the coincidence coefficient and the gear bearing capacity in gear drives, the coincidence coefficient round number design method and the coincidence coefficient equation represented by the gear basic parameters.

对齿轮啮合传动中重迭系数与齿轮承载能力的关系进行了初步的探讨和分析，并推导出用齿轮基本参数直接表达的重迭系数方程和提出了"重迭系数圆整设计法"的概念。

With the generation of channel chip with cylindrical or conical difference between the Boolean operator to be, the user as long as the basic parameters can be input.

孔道的生成借助集成块与圆柱或者圆锥之间的布尔差运算得到，使用者只要输入基本参数就能得到。

This subject is experimentally and theoretically studied in the paper and the limit-ing conditions of distribution parameter and drift velocity for upward two-phase flow are proposed.

1引言空泡率代表着两相流动的相分布情况，是决定两相流内部结构的基本参数。

Black hole mass, along with the ratio of the accretionrate to the Eddington accretion rate, is a fundamental parameter of active galactic nuclei.

与吸积率和爱丁顿吸积率的比率一道，黑洞质量也是活动星系核的一个基本参数。

A fundamental parameter used in eclipse predictions is the Moon's radius k, expressed in units of Earth's equatorial radius.

日食预报的基本参数是月球半径K，其是由地球赤道半径来表示。

The corrosion stresses associated with a particular environment or corrosivity category represent one essential parameter governing the selection of protective paint systems.

腐蚀应力在特定的环境或者腐蚀种类下表现出来的一个基本参数决定了选择哪种防护体系。

Details of the analysis can be found in [26,15]; [14] provides an expository discussion of the basic argument.

在[26，15]中可找到详细的分析；[14]提供了一个基本参数的说明性讨论。

Based on the improved first order second moment theory and aimed at the problems of mechanical reliability analysis and mechanical reliability design of single designing variable, this paper put forward a kind of explicit iteration algorithm for computing the structural reliability and determining the designing parameters of structural reliability.

引言改进的一次二阶矩理论是结构可靠性分析和设计的一种实用方法[1]，具有建立结构可靠性分析和设计计算模型简单等优点，在这种方法中，Hasofer和Lind推荐的可靠度指标是定量评估机械可靠性的一种基本参数。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。