两个方法其做一可任意选择之故，即基于两者都是从一个外在的前提开始的。
The optionalness of either method is due to both alike starting from an external presupposition.
可任意选择不连续的三天或两天搭得过瘾！
Osaka, Kobe, Kyoto, Nara, Shiga, Wakayama, can freely choose three or two days in Happy day !
通过选择合适的匝数比，一次侧输入电压可任意转换成所希望的二次侧开路电压。
It has been shown that a primary input voltage can be transformed to any desired open-circuit secondary voltage by a suitable choice of turns ratio.
该法的增分变量是无量纲量，可任意选择。
Variables of increment in the method are dimensionless, and can be chosen arbitrarily.
它集其它倍捻机优点于一身，其最大的优点是锭子型号（146，166）可任意选择（即两种型号可以在同一机器上使用），可加工多种不同规格的优质纱线。
This machine has all of the same machines′advantages. The most attractive one is that you can use the two types of spindle (146,166) on the same machine.
它集其它倍捻机优点于一身，其最大的优点是锭子型号（146，166）可任意选择（即两种型号可以在同一机器上使用），可加工多种不同规格的优质纱线。
This machine has all of the same machines′advantages. The most attractive one is that you can use the two types of spindle (146,166) on the same machine.
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