Natural crossing and boll setting of a nucleo-cytoplasmic sterile line of cotton Jin-A were studied.
研究了晋A棉花质核不育系的天然异交与成铃。
Crossing your legs in the United States is completely natural; sitting in the same position in Kuwait may be impolite.
在美国翘二郎腿是很自然的，但在科威特人面前却是一种冒犯。
Maybe it served as a bridge for cars to force a crossing over rivers and other natural barriers.
也许它的桥性装置可以让其它车辆顺利通过河流或者其它自然界的障碍。
Thus the natural light enters this warm crossing center.
因此，自然光线能够进入到这一温暖的交通中心。
The construction of a large number of river-crossing Bridges makes the natural reach turn into the bridge location reach.
大量跨河桥梁的兴建，使得天然河段变成了桥位河段。
Due to DC arc extinguishing current has no natural zero-crossing point, so, DC arc can only been extinguished by forced zero-crossing-over.
由于直流熄弧电流不存在自然的过零点，因此必须强制过零才能熄灭直流电弧。
Due to DC arc extinguishing current has no natural zero-crossing point, so, DC arc can only been extinguished by forced zero-crossing-over.
由于直流熄弧电流不存在自然的过零点，因此必须强制过零才能熄灭直流电弧。
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