directionality造句

1、MathML2 had no explicit support to control the directionality of layout.
MathML2对于控制布局的方向没有显式的支持。

2、There is no operative"voltage dead zone", and the definite directionality exists.
同时，继电器不存在动作的“电压死区”，具有明确的方向性。

3、The directionality and the range of correlation for the water levels were revealed.
揭示了该地区水位的空间结构性—方向性和相关距离。