片语
non directional不定向的
undirectional error单向错误
undirectional coupler单向耦合器
undirectional solidification不定向凝固
undirectional magnetometer无定向磁强计
undirectional motion不定向运动
Undirectional measurement无定向测量
quasi-undirectional準单向的
undirectional approach双向逼近法
vertical undirectional airflow垂直单向流
nondirective不定向的;无方向性的;非指示性的
undirectional flow不定向流