找到所需的Autoballast功能镇流器基于投入量的目标草案，鞋跟和修剪。
The Autoballast function find required amount of ballast based on input target draft, heel and trim.
它类似于传统的速度，但是是基于客户对于业务价值的估算，而不是程序员对投入成本的估算。
It's like traditional velocity, except it's based on your customers' estimates of value rather than your programmers' estimates of cost.
不管是基于字母分级，还是现有标签的变种，新标签必须要在2012产品年能够投入使用。
One way oranother, the new sticker—whether based on a letter grade or some variation ofthe existing label—has to be ready for the 2012 model year.
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