兆

Major equipment sales are: infrared thermometer, coating thickness, sound level meter, vibrometer, tachometer, thermometer, anemometer, temperature and humidity instrument, roughness instruments, hardness tester, according to meter megohm table, such as test instruments.

主要销售的仪器有：红外测温仪、涂层测厚仪、声级计、测振仪、转速表、测温仪、风速仪、温湿度仪、粗糙度仪、硬度计、照度计，兆欧表等测试仪器。

Use megohmmeter of 2500/500V for measurement , the insulation 5 resistance values should not be less than 70% of experimental values of production delivery.

采用 2500/500V 兆欧表进行测量，绝缘电阻值不应低于产品出厂试验值的 70%。

Use 1000V Megohmmeter to test cable of 0.6/1Kv and below.

c 对0.6/1kV及以下电缆采用1000V兆欧表。

1KV cable, use 1000V or 2500V Megohmmeter to measure the resistance of conductor to earth insulation resistance instead of DC voltage endurance test.

对额定电压为0.6/1kV的电缆可用1000V或2500V兆欧表测量导体对地绝缘电阻代替直流耐压试验。

AC voltage endurance test of secondary circuit:voltage for test is 1000V,when insulation resistance of circuit is above 10M,we can use megohmmeter of 2500V for replacing,test time is 1 minute,take measures to prevent overvoltage and dielectric puncture during test.

3.10.1.3 二次回路交流耐压试验：试验电压为 1000V，当回路绝缘电阻在 10M 以上时，可用 2500V 兆欧表代替，试验时间为 1min，试验时应采取措施防止过压击穿。

M. Insulation test of secondary circuit:use megohmmeter of 500V～ 1000V for measuring insulation resistance to earth of all DC circuits, signal circuits,the values should not be less than 1 M.

3.10.1.2 二次回路绝缘试验：采用 500V～1000V 兆欧表测量各直流回路，信号回路对地绝缘电阻，其值不低于

We have designed a 5 Mev electron linear accelerator for the industry.

我们设计了一台5兆电子伏工业用电子直线加速器。

It has been applied to radiation monitoring system of 4 MeV electrostatic accelerator in my school at present.

目前其已应用到我校4兆伏静电加速器的核辐射监测系统中。

There appeared to be no gross distortions of the neutron spectrum expect at energies below 2 MeV.

除了2兆电子伏以下的能量外，中子谱似乎不存在显著的畸变。

In the outer Belt, proton energy averages only 1 MeV.

在外部带质子能量平均仅为1兆电子伏。

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