Verification of bidirectional single-phase watthour meter & three-phase varhour meter;
双向单相有功电能表和三相无功电能表的检定
LD-pumped solid-state ring laser with bidirectional outputs;
一种LD泵浦双向输出固体环形激光器
Development on real-time bi-directional synchronous transmission system for medical demonstration and teaching;
医学声像示教实时双向同步传输系统的研制
A Compatible Condition for GC1 Bezier Surfaces Matching in Bi-directions;
Bezier曲面双向GC1连接的相容性条件