研究鲸鱼的专家也不清楚这头母鲸为何要进行这次不同寻常的马拉松，可能只是为了食物源，或者是为了寻找合适的伴侣，也可能仅仅是随洋流而动。
Whale researchers don't know why she made her unusual marathon journey. She may have been following a prey source, looking for a suitable mate, or simply following the currents.
对试验资料的初步分析表明，马尾松造林地整地规格与母岩和土壤质地之间存在较为密切的相关关系。
The results of preliminary analysis to the experiment data showed that there was rather close correlation between size of planting hole and parent rocks and soil textures.
介绍了松套充油光纤SZ绞合成缆机的基本结构，着重叙述了欧母龙公司C2 0 0HS系列可编程控制器在SZ绞合成缆机控制系统中的应用。
The basis construction of the SZ stranding machine for loose tube optical fibers is described. Realization of SZ stranding machine control system with OMRON series C200HS PLC is presented in detail.
应用推荐