Being directed against elliptical gear drive a kind of non-zeromodification method has been advanced.
针对椭圆齿轮传动提出了一种非零变位的方法。
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The first approach to consider is what we might think of as the "zero case" (or "null hypothesis" to borrow from science, or "first principles" from philosophy) of XML document modification.
They are fashioning a sort of homemade mortgage modification, one that brings their payments all the way down to zero. They use the money they save to get back on their feet or just get by.