中国花鲈和日本花鲈间根井遗传距离为0 .1 918，远远高于中国种群间的遗传距离。
The Nei's genetic distance between Chinese and Japanese was 0.191 8, which was much longer than the distance among Chinese sea bass populations.
对各株系间的根井遗传距离采用UPGMA法对群体进行聚类分析表明群体中很少存在代表性重复现象。
Genetic distances of each pair of lines are calculated by Nei's method. The results of cluster by method UPGMA show that the population has less over presentation.
其发现井是1927年根据磁力和扭称测量结果而钻探的。
The discovery well was drilled in 1927 on the basis of magnetic and torsion - balance surveys.
其发现井是1927年根据磁力和扭称测量结果而钻探的。
The discovery well was drilled in 1927 on the basis of magnetic and torsion-balance surveys.
当我们把水桶从井里提上来，发现绳子几乎要磨断了，水桶仅由一根细线吊着。
When we drew the bucket up from the well, we saw that the rope had worn away , and the bucket was left hanging by a very thin thread.
在第一根套管柱和防喷器组(钻井时)或完井后的井口之间的一个接头。
The adapter between the first casing string and either the BOP stack (during drilling) or the wellhead (after completion).
针对割缝衬管完井方法，进行了完井参数、单根割缝衬管长度、完井管柱结构的优化设计。
For the well completion method by slotted liner, well completion parameters, single slotted liner length and pipe string structure in well completion are optimized.
该文探讨了气测录井中的一种特殊现象双单根峰。
The paper probed into a special phenomenon of double single-peaks encountered during gas logging.
该文探讨了气测录井中的一种特殊现象双单根峰。
The paper probed into a special phenomenon of double single-peaks encountered during gas logging.
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