要求高精度的

In frequency measurement module, a method of high accuracy frequency measurement is i...

在频率测量模块中，采用多周期同步测量与量化延迟法相结合的高精度频率测量方法，使测量分辨率达到了0.1Hz，满足系统的要求。

Finally,an autocollimator and a high precise measuring head were used in the m...

用自准直平行光管和高精度测量头分别检测了平台的位移直线度和升、降位移误差，实验结果得出，该机构的位移直线度误差小于1，升、降位移误差小于0.02 mm，达到了平台设计要求。

Finally,an autocollimator and a high precise measuring head were used in the measurement of the displacement straighness and the the error of the lifting displacement,respectively.

用自准直平行光管和高精度测量头分别检测了平台的位移直线度和升、降位移误差，实验结果得出，该机构的位移直线度误差小于1，升、降位移误差小于0.02 mm，达到了平台设计要求。

Finally, an autocollimator and a high precise measuring head were used in the measurement of the displacement straighness and the the error of the lifting displacement, respectively. The experiment results show that the error of the displacement straighness is smaller than 1 and the error of the lifting displacement is less than 0.02 mm, which shows that the structure achieves the design desire completely.

用自准直平行光管和高精度测量头分别检测了平台的位移直线度和升、降位移误差，实验结果得出，该机构的位移直线度误差小于1，升、降位移误差小于0.02 mm，达到了平台设计要求。

With the development of inertia technology, the required precision of the gyroscope has been much higher.

摘要随着惯性技术的发展，对陀螺仪精度的要求越来越高。

In low frequency and high definition situation, it has well applied foreground.

在对信号源有高精度要求的低频场合有很好的应用前景。

Then triaxial elastic finite element model was made through ANSYS software for U-type die holder with numerical simulating analysis and proofread of stress and strain.

在精度要求高时，这种精冲模架可实现一次精密成形，大大降低劳动强度，提高劳动生产率，是一种先进而实用的加工方法。

Researching low speed wiring electro discharge machine,this paper proposes a hardware architecture of motion control system of LSWEDM based on DMC3000 motion control card,and focuses on analysis for the methods of motion control.

该运动控制系统实现了低速走丝电火花线切割加工中4轴联动控制的需求，并经反复调试，很好地解决了该系统运动控制精度要求高、控制轴数多等技术难点。

Since the product was combined Pressing, piercing and flanging over the hole, trimming forming the complex parts Therefore, the installation of card-four high precision, the other mold structure as simple as possible.

由于该产品是结合压形、冲孔、翻边翻孔、切边成形的复杂零件，所以四个安装卡位精度要求高，其它模具结构尽可能简单。

For grinding work pieces of easy to burn and high precision to be requested such as tap gauge etc.

磨削易烧伤或精度要求高的工件，如丝锥、量规等

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。