有迹象表明，中国将允许国民购买外国资产，这将是减轻国内资产价格上升压力和人民币升值压力的一种明智方法。
There are signs that China will allow its citizens to buy foreign assets, which would be a sensible way to relieve pressure on domestic assets and on the currency.
文中介绍了IGBT升压与降压式三相高频SPWM整流器的基本工作原理和控制方法。
This paper describes the basic working principles and control methods of three-phase high- frequency boost & buck IGBT SPWM rectifiers.
常用的试验方法为静水试压，即：向封闭的管段充水，然后把管段升压至规定压力，检查是否泄漏。
A common approach is hydrostatic testing-filling a closed pipeline section with water, then pressurizing the line to a specified pressure to check for leaks.
本文讨论了功率因数校正的方法，分析了电感电流工作于临界模式的升压式有源功率因数校正电路的原理。
In this paper, the methods of power factor correction are discussed, and the principal of boost active power factor correction circuit operated in critical inductor current mode is analyzed in detail.
用基于风险检验评估方法分析了石化装置中运行的高温设备发生脆性断裂失效的可能性，介绍了利用回火脆化损伤因子确定最低升压温度的计算方法，为装置安全生产提供了可靠依据。
The method to determine the minimum upset temperature by means of the damage factor of temper embrittlement was introduced, and the dependable basis for equipment safe operation was offered.
本文最后对基于升压和限流控制方式的异步电动机软起动方法给出了具体实现方案。
This thesis finally provide a circuit based on increase voltage and limited-current soft-starter control method.
受寄生元件的影响，DC - DC升压变换器的输出电压和功率传递效率受到限制，电压举升技术为改善电路特性提供了好方法。
Since the effect of parasitic elements limits the output voltage and power transfer efficiency of DC-DC converters, voltage lift technique opens a good way to improve circuit characteristics.
采用实验方法研究了进水温度对汽液两相流激波升压特性的影响。
Through the use of an experimental method the influence of inlet water temperature on the shock wave pressure rise characteristics of steam water two phase flows has been investigated.
采用实验方法研究了进水温度对汽液两相流激波升压特性的影响。
Through the use of an experimental method the influence of inlet water temperature on the shock wave pressure rise characteristics of steam water two phase flows has been investigated.
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