Orthodontic treatment of mesially impacted lower third molar in absence of the lower first molar

In the absence of any further evidence the police were unable to solve the murder.

由于缺乏进一步的证据，警方无法侦破那起谋杀案。

Thus, chaotic searching algorithm is generalized to solving a kind of 0-1 integer programming problem. Chaotic searching algorithm is applied to optimize effectiveness in absence of air defenses.

然后利用M个独立的混沌变量在这NM个等分区域中搜索最优解，从而将混沌搜索算法推广应用于解决一类0-1整数规划问题。

It seems fairly unrealistic that, in absence of already-rising foreign markets, such a strong desire for investment in a foreign country would exist on the part of these overseas investors.

在外国市场没有上涨时，指望海外投资者在外国投资的欲望会如此强烈是很不现实的。

In the absence of definite evidence the prisoner was set free.

因缺乏确凿证据，囚犯被释放了。

In the absence of a will the courts decide who the guardian is.

在没有遗嘱的情况下，由法庭指定监护人。

Only nucleophilic substituted product cyclopropane ( 3) was formed in absence of iron catalyst.

不加催化剂，加热回流反应得到分子内亲核取代反应产物环丙烷化合物（3）

Perhaps , our hours in love have wings; in absence crutches.

爱情的时光长出了翅膀; 离别时, 它们是我们的精神支柱.

What happens in absence of a good , complete final report?

欠缺一份充份完整的结案报告会 如何 ?

He could not account for the absence from school that day.

他无法说明那天缺课的原因.

He could not account for his absence from school.

他无法说清楚为什么旷课.

This clause provides against any unauthorized absence from duty.

这一条条文禁止任何未经批准的缺勤.

Have you any excuse to offer for frequent absence from collective practice?

你经常不参加集体训练有什么理由解释 吗 ?

He could not account for his absence from classes.

他说不出缺课的原因.

Consequently, his long illness led his absence from school.

因而, 长期的疾病造成他的缺课.

During his absence from Guangzhou his co-workers did a lot of work.

他不在广州的这些日子里,他的同事做了不少工作.

The teacher called Tom to account for his repeated absence from class.

老师要求汤姆说明他一再缺课的理由.

His absence from this office will be a great loss to us.

他离开这里,将是我们的一大损失.

His excuse for his absence from classes is not valid.

他缺课的理由是站不住脚的.

He viewed his son's absence from school very badly.

他对儿子缺课看得十分严重.

I wrote an excuse for my absence from school.

我写了一张请假条，说明缺课的原因。