不可缺少的

In Iraq, the Sunni tribes were vital to success; in Afghanistan, tribal rivalries may undo the best-laid plans.

在伊拉克，逊尼派部族是成功所不可缺少的力量；而在阿富汗，部族间的争斗可能会使拟定好的计划失效。

5 DIVIDING HEAD A dividing head is one of the most important attachments of the milling machine and is almost indispensable.

7.5分度头 A分度头是其中一个铣床的最重要的附件并且是几乎不可缺少的。

Fire resistant roller shutter is the partition of fireproofing division or subarea of building, can rise the function of fireproofmg subarea, thus making it become one of the fire fight facilitiesesthe of important and indispensably in the building.

防火卷帘作为建筑物防火分割或防火分区隔离物，可起防火分割的作用，从而使其成为建筑物中重要的不可缺少的消防设施之一。

Of course the stars is an indispensable navigation as the first inhabitants of South America tropical hammocks bedding in fact and the ship's origins are deep .

当然星星是航海中不可缺少的，而作为南美热带地区先住民的寝具吊床，其实和船的渊源也很深。

The convents thus were always homes of industry, and just as formerly they played no small part in the spread of civilization, so now they are almost indispensable handmaids to the cause of the Catholic Church.

因此，修道院总是家园的产业，就像以前他们打小部分没有在传播文明，所以现在他们几乎是不可缺少的handmaids事业的天主教教会。

Most of the luxuries, and many of the so-called comforts of life, are not only not indispensable, but positive hindrances to the elevation of mankind.

大多数奢侈和令人舒适的东西，并不是不可缺少的，相反实际上阻碍了人类的发展

In current Japan where the farming land and the residential land interlace, as an indispensable chain of state land design, urban agriculture attracts attention of the society again.

在农地和住宅地交织在一起的当今日本，作为国土设计中不可缺少的一环，都市农业再次受到日本社会的重视。

As a legal administrative assistant, the graduate is anindispensable member of the law office team and this program provides all the training necessary to be successful in this role.

作为一个法律行政助理，研究生是不可缺少的成员律师事务所团队，这个程序提供了所有必要的培训，在这方面的作用的。

As the important part of modern construction technology, construction control is playing a more and more important role in the successful erection of long-span bridges.

施工控制是施工技术的重要组成部分，在大跨径桥梁的施工中已成为不可缺少的关键环节。

The rest pay an annual tax for this outside garment of all, become indispensable summer and winter, which would buy a village of Indian wigwams, but now helps to keep them poor as long as they live.

剩下的人们则要为这冬夏不可缺少的荫蔽支付年租，这年租本可让他买下一个村子的印第安人棚屋，但如今却让他们穷困一辈子。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。