To map 100 mutants by this method would necessitate nearly 5, 000 crosses.

用这种方法来绘制100个突变型的遗传图就要做5000个杂交。

Does simple posterior dislocation of the elbow necessitate strict immobilization ?

单纯肘关节后脱位需要严格制动吗？。

Years of rising fiscal and trade deficits will also necessitate hard choices in the years ahead.

上涨了几年的财政收入和贸易逆差在未来的几年仍不可避免。

However, changes in the hotel electronic distribution industry necessitate revolutionizing their approach.

然而。酒店电子分销领域的变革，使得GDS模式的变革成为必然。

The new resolution authority and its required living wills should help to ensure that such obstacles don't necessitate bailouts.

新的裁决权威（resolutionauthority）和它要存在下去的意愿必须确保这样的问题不需要触及政府担保。

The two most important practices in life necessitate the proper management of time and the continual development of personal relationships.

人生两种重要的实践是合理的安排时间和培养不断增加的人际关系。