单胎顺产
Single spontaneous delivery unspecified
single-fetus delivery
多胎均为顺产分娩
Multiple delivery all spontaneous
其他单胎顺产
Other single spontaneous delivery
数元误率顺序计数器
bit error rate sequencing counter
头位顺产
Spontaneous vertex delivery
臀位顺产
Spontaneous breech delivery
K层荧光产率
K-shell fluorescence yield
Yield
K-shell fluorescence