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1·The difficulty in boosting domestic demand is directly related to irrational primary and secondary distribution structures.

增加内需的难度和不合理的两元分配结构有直接关系。

2·Secondary distribution cabinets supply power to their respective program control cabinet, frequency conversion cabinet and pump power cabinet.

由各自的二次配电柜为下属各程控柜、变频柜及泵动力柜供电。

3·The solution pumps hot water from a power plant through underground pipes to heat exchangers which heat up water in the secondary distribution network and feed it into consumer radiator systems.

该解决方案把热水从发电厂抽上来，通过地下管道至热交换器，热交换器在二级分配网络上将水加热，然后将它流入用户的散热器系统。

4·An experimental instrument is set up to observe the energy distribution of electrons (mainly secondary electrons) on the anode screen in the field emission.

我们搭建了一套实验装置，用来观察场发射中到达阳极屏上的电子(主要是二次电子)的能量分布。

5·One difficulty with direct methods is that the designer spends a great deal of time focusing on the velocity distribution; the geometry is secondary.

一个直接的方法就是难度设计者花费大量的时间专注于速度分布；几何为辅。

6·The dust concentration distribution on the electric field section in ESP is not uniform, this is one of reasons to produce secondary blowing dust.

电除尘器内电场断面烟尘浓度呈非均匀性分布，它是产生振打二次扬尘的重要原因之一。

7·Investigates the distribution characteristics of secondary debris clouds generated during a hypervelocity oblique impact.

研究超高速斜碰撞所形成的二次碎片云的分布特性。

8·Secondary ion mass spectrometry was used to measure the distribution of implanted depths of boron ions.

用二次离子质谱测量了注入硼离子的深度分布。

9·Useful information for the performance improvement was got from the distribution of inner flow velocity and pressure, flows impact, secondary flow and recirculation in the helix centrifugal pump.

通过对该泵内部流动速度、压力分布与捕捉到的流动冲击、二次流、回流等重要现象的分析，给该泵的性能改善与改进提供可靠的信息。

10·The distribution, trihalomethane formation potential (THMFP), UV-Vis and FTIR spectra of organic fractions in the secondary effluent were examined.

考察了二级处理出水中有机组分的组成分布、三卤甲烷生成势、紫外光谱和红外光谱。