可测量的

For the in-situ work of spectrum-measuring in the Case-II waters, especially in the Pearl River Estuary, the above-water measuring technique is recommended. When on a boat, the height of sensor can vary in a scope of 1-5m above the sea surface, and the atmospheric effects can be ignored.

对于二类水体的现场光谱测量，特别是在珠江河口水域，宜采用水面以上光谱测量法；采用船基水体光谱现场测量，探头在合理的高度(如5米)范围内变化，大气的影响可忽略不计。

The effective prediction space concept is established, On the base of these, this paper deduces two representations' evaluating equation, one evaluates the prediction error and the other evaluates the prediction error in limited space. First, the error transfer characteristic among subsystems at different space locations is analyzed, and the direct transfer characteristic from discrete standard measure space to the workpiece measure space under measured in measure system is proven. Second, the error reconstruction condition and method of mapping from discrete standard measurement system to continuous standard measurespace are analyzed.

分析了不同空间位置子系统间的误差传递特性，证明了在测量系统中离散标准量值空间向被测量工件量值空间的直接传递性；分析了离散标准量系统向连续量值空间映射的误差重构条件和方法；基于测量样本的有限距离的平稳性，证明了预报模型对动态测量误差的有限收敛性和预报误差的可测度性，进而证明了以离散标准量值系统对被测工件预报修正的可行性和合理性。

The mathematics principles of sobel operator and displacement measuring formula are introduced in detail through combining optics measuring with digital image processing, furthermore, through using sobel operator MATLAB software is applied to make a marginal detection on local photo of the unilateral-stretch collet (or unilateral-compression collet).

文章中结合了光学测量方法和数字图像处理进行位移测量。光测的全场特点使得可对整个视场中目标的特性进行测量。

The experiment carried out on flexible rotor test bench for torsional vibration measurement shows that the DK-Ⅲ instrument is able to accomplish hish precise measurement.

在挠性转子实验台上的扭振测量实验表明，DK.III型扭振测量仪可实现轴系扭振的较高精度测量。

In order to implement universality,interoperability and transplantability in bioelectrical impedance measurement system,using the idea of abstract,this paper divides the system into four parts: signal source module,excitation selection module,measurement selection module and demodulation module.

为了实现生物电阻抗测量系统功能抽象设计的通用性、互用性和可移植性，运用抽象化的思想，将生物阻抗测量系统抽象为信号源模块、激励选通模块、测量选通模块和解调模块。

Own there is a very easy way: by hand squeezing the testicles in the scrotum skin, exposing the outline of testicular volume, and then look for a plastic items such as apples, raw pear, radish, potato, potatoes and flour, etc., testicular削成with their size, and then plastic items such drainage volume measurement method.

自己测量睾丸体积有一个极为简便的方法：用手将睾丸挤于阴囊皮下，暴露睾丸的体积轮廓，然后找一种可塑物品，如苹果、生梨、萝卜、山芋、土豆和面粉团等，削成与自己睾丸一样大小，再将这种可塑物品进行排水法体积测量。

A material thickness is measured without contact up to 50 times per second at any sheet speed even on difficult surfaces on which conventional spot laser triangulation sensors fall due to the surface structure.

任何板材，不论什么样的表面条件，其他常规斑激光三角测量传感器由于表面结构无法进行测量时，我们对材料厚度的无接触测量每秒可多达50次。

A Ku-band microwave wave-height meter is proposed. It is a remote wave-height detecting equipment. It can be set up on the head of a ship to detect wave-height dynamically.

提出了一种可用于船载的Ku波段微波波高计，它是一种非接触式的波高测量设备，可架设于船头，动态测量海浪波高参数。

The intelligent cablefault location instrument has many peculiarity by testing fault cable in laboratory ,for examplethe measure range is 0 ～ 60kM, the relative error is smaller than 0.5%. In-systemProgramming logic device which will be useful in debuging the circuit board is used.Measurement date can be displayed by the LDE showing, and it has the USB port supporting"Plug and Play" with electricity, the highest rate is 12Mb/s.

经过模拟电缆电路定点实验得出该测试仪具有以下特点：测量量程为 0～60km，相对误差不大于 0.5%；有利于方便调试的在系统可编程逻辑器件的应用；LED 显示器可动态显示测量结果；USB热插拔通信接口功能，传输最高速率为 12M。

After transverse Zeeman effect is introduced to reduce the mode coupling, the laser could produce two orthogonal linear polarized components with 5MHz beat frequency. The effect of the magnetic field's direction to generation of the dualfrequency and the polarization property of the laser is investigated Based on theoretical study and experimental investigation to the beat frequency tuning character, a novel method for stabilizing the laser beat frequency is brought forward.

现代机械工业的发展使得机床、三坐标测量机等的运行速度已提高至1m/s，为适应这种发展趋势，本文研究了高频差（5MHz）激光干涉仪的光源、稳频和外差信号的处理等基本问题，建立了测量速度可达1m/s的高测速激光干涉仪，并对其在加工中心主轴热漂移测量系统和加工中心误差实时测量系统中的应用进行了研究。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐