Contrast with single base gun propellant with polymer coating layer, the two-layered variable-burning rate propellant has good properties of progressive combustion and low temperature coefficient.

与高分子包覆单基发射药相比，双层结构变燃速发射药具有较好的燃烧渐增特性和明显的低温度系数效果。

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On the base of this analysis, this dissertation puts forward that it is better for our large household electric enterprises to take cautious and progressive strategic train of thought.

对于我国大型家电企业跨国经营战略思路，采用定性理论分析与战略模型的研究方法。

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The method will be regarded as the base of ongoing clinical using and the progressive study of activity and immunity.

为大月龄胎儿血管和瓣膜组织库的完善、深入进行活性和免疫性研究以及下一步的临床应用打下基础。

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If the anti-union vanguard is comprised of neoliberal Democrats, can we really be surprised if Republicans follow in their wake unopposed by an unenthusiastic progressive base?

FORBES: The Impotence of the Democratic Base

The Alliance represents an effort to broaden the political base of the western Reform party by wooing eastern Progressive Conservatives.

ECONOMIST: Can Stephen Harper unite the right?

But this tax shows that you can have a broader base and lower rates and still achieve a more progressive tax system than we now have.

FORBES: Paul Ryan Pick Shows Romney Is Serious About Protecting Our Children