查询词典 if necessary

If it is necessary we can drive another car here at any time .

如果有必要的话我们可以随时开来另一辆汽车。

If a person's heart becomes changed, they themselves begin to make the right, necessary choices, make the tough choice of kicking the drug habit.

如果一个人的心开始改变了，他就会自己开始做出正确、必要的选择，好比戒掉毒品这样艰巨的选择。

The author has pointed the cons- eguences from extremly exploiting underground water for recent years,and has proposed that if we make reasonably use of the existing sources of the water,it is feasible and necessary to develop dry farming.

作者针对这些特点指出了近几年由于过度开采地下水所出现的后果。进一步提出了"在科学地、合理地利用现有水资源的基础上，走旱地农业之路"的可行性和必要性。

Your dynamic IP update client should handle updates automatically, monitoring your connection and updating if/when necessary.

您的动态IP更新客户端应处理自动更新，监测您的连接和更新，如果/在必要时。

Since soybean proteide fibre is an ecru per se, after returning thick fluid if is necessary to bleach , then it is possible satisfy dyeing call for.

由于大豆蛋白质纤维本身为米黄色，退浆后必须漂白才能满足染色要求。

A manicure is necessary if you'd like to try nail enamel.

你要涂指甲油的话需要先修指甲。不适合

It was comfirmed by CT or MRI among 32 cases. Conclusions Under normal intracranial pressure, if the dura mater is repaired properly at the skull-base defect and reinforced by a pedicled pericranial flap,an encephalomeningocele can be prevented.It is not necessary to take free bone graft when the size of cranial base bone defect is smaller than or equal to 4cm .

手术中只要将颅底正常硬脑膜修补完整，或选用力学性能接近甚至超过正常硬脑膜的材料进行修补，再辅以带蒂颅骨膜瓣等方法加强颅底重建后，术后颅内压不高，在通常的颅底缺损范围内(缺损直径不超过4cm)，一般不会发生脑膜脑疝出，不必行颅底骨移植。

If you find it necessary to do so then enroll in a stress management class.

如果您觉得有必要这样做，然后参加在一个强调管理阶层。

So help yourself with the Eraser Tool with Hardness set to 0%, and Flow of 50%, and erase something if it's necessary.

因此，帮助与橡皮擦工具的硬度自己设置为0％，而50％的流量，并清除的东西是否确有必要。

Particularly for industry equipments manufactory to say, the ex- period in a factory needs to process the necessary function test to the product with the performance test, if these completely depend on the artificial, the efficiency and quantity can't get to the reliable guarantee.

微控制技术与计算机的发展和普及，促使自动化测试领域发生了变革性的进步，尤其对于工业设备制造商来说，出厂前需要对产品进行必要的功能测试和性能测试，如果这些完全依赖于人工，那么效率和质量都不能得到可靠的保证。

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。