If the client changes, you add layers or change the blend, each time working within and around the system you already built.
如果客户机改变了，那么可以增加一些层次或者改变可用性与能力的组合，每次都要使用和围绕着已经建立的系统。
There's a bigger problem — electric cars still remain few and far between, while there are already millions of U.S. vehicles on the road that can run on an ethanol blend.
这就存在一个大的问题—电车很罕见，而在美国交通工具已有数以百万计的可用乙醇混合物行走的汽车。
The Air Force already has certified the synfuel blend for use on the B-52 bomber and expected to complete certification for the C-17 fleet early this year.
空军已经在其B - 52轰炸机上试用了合成燃料并且期望在今年年初完成在C - 17运输机上的应用。
The Air Force already has certified the synfuel blend for use on the B-52 bomber and expected to complete certification for the C-17 fleet early this year.
空军已经在其B - 52轰炸机上试用了合成燃料并且期望在今年年初完成在C - 17运输机上的应用。
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