含KD的推进剂燃速和平台范围可通过组合催化剂的变化来调节。
The burning rates and the plateau range of the propellant containing KD can be adjusted by means of the change of composite catalysts.
eBay 和 Etsy 为小型卖家提供了平台，其上面的卖家也尚未在全国范围内征收销售税。
Sellers that use eBay and Etsy, which provide platforms for smaller sellers, also haven't been collecting sales tax nationwide.
构建软件平台来实现企业范围重用策略，是主要问题之一。
One of the major concerns is the issue of building software platforms as a strategy to achieve reuse at the enterprise level.
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