静态工作点

CBB22 in the low-frequency signal transmission and amplification process, To prevent the two circuits around the static point of mutual work, using a capacitive coupling.

CBB22在低频信号的传递与放大过程中，为防止前后两级电路的静态工作点相互影响，采用了电容藕合。

This paper deriving the theory workinflection point in the static stage characteristics curve of small measurement range lineardimension measurement .by the way of high pressure and back pressure pneumaticmeasure and designed the parameter of the mainly and measure spray head, which are thekey component in the spray head-baffle pneumatic sensor .The different groups for themain-spray head and the measure spray head ,will effect the dynamic and static stagecharacteristic parameter .The author have done contrast experiment and optimizationdesign to test and verify the theory derivation whereby made the rang of show valve ofpneumatic measure system measure range up to 40 μ m, the sensitivity up to 100mv/μ m,resolution up to 0.05 μm, the uncertainly of measure is less than 0.02 μm, satisfaction ofrequirement of groups the carboy hatch thickness size precise measure of soft shims.

对高压背压式气动测量用于小量程线性尺寸测量的静态特性曲线的理论工作拐点进行了推导，对气动测量系统中的喷嘴-挡板型气动传感器中的关键部件——主喷嘴和测量喷嘴的参数进行了理论设计，对主喷嘴和测量喷嘴的不同组合，将影响测量系统静、动态特性指标的喷嘴参数进行了对比实验和优化设计，并通过实验验证了理论推导，从而使气动测量系统量程的示值范围达到40μm，灵敏度达到100mv／μm，分辨率达到0.05μm，测量不确定度小于0.2μm，满足了压缩机缸盖软体垫片厚度尺寸精密测量分组的要求。

For a doubly-clamped beam under an electrostatical load, the bias is analyzed, and two analytical expressions about pull-in voltage and critical center displacement are firstly proposed with the stretching along its length direction taken into account.

本文分析了考虑轴向拉伸后的两端固支梁的静态工作点，且首次建立了考虑轴向拉伸后两端固支梁的吸合电压及临界吸合时其中央归一化位移的解析表达式。

The relation between quiescent point and voltage gain,input resistance,output resistance, maximum nondistortion output voltage ,dynamics parameter in amplifier is discussed by commom-emitter fixed-bias amplifier,the effective methods to improve voltage gain are deduced,and how to set reasonale quiescent point′s position based on amplifier′ different is also presented finally.

以共射固定偏置放大电路为例讨论放大电路中静态工作点与电压放大倍数、输入电阻、输出电阻、最大不失真输出电压等动态参数的关系，得出提高电压放大倍数的有效方法。

By introducing safe-inserted-node and safe-deleted-node concept into the structure, the performance of tree creation is reenforced. The algorithms are also given for the creation of ER-Tree. The empirical test results show that (1) the tree creation algorithm proposed is about 10 times faster than R*-Tree.

Rivest，Cleary以及 Arya和 Mount在假设点集为均匀分布的情况下分析了这类算法的平均复杂度为 O（2〕目前最好的静态索引结构和检索算法是 Arya和 Mountl'在Friedman，Bentley和Finkel等人工作的基础上提出来的。

Based on the analyses and research for the CO〓 welding system with constant wire feed rate, a unified mathematics model, which not only describes the dynamic process around the static operating point but also describes the static relations, is set up.

通过对CO〓焊等速送丝系统进行分析和研究，建立了一种在静态工作点附近既能描述CO〓焊等速送丝系统动态变化过程，又能描述静态关系的统一模型。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。