Vitamin A is required for good eye function.

保持眼睛的良好机能需要维生素A。

A holy person is required to read the Holy Bible.

圣徒必读《圣经》。

Britain is required to equalize pension rights between men and women.

要求英国实行男女均等的养老金领取权。

In China today each couple is required to carry out a eugenic plan strictly.

在今天的中国要求每对夫妇都要严格执行优生计划。

Grade IV gliomas (glioblastoma multiforme).Surgery is required to establish tissue diagnosis and debulk the lesion.

WHO四级胶质瘤（多形性胶质母细胞瘤）：同样需要手术来达到组织病理诊断和减小肿瘤体积。

As a result, besides teachers' numerable recap and review, parental cooperation is required as well.

这一点不但要求教师在课堂上不断的复习前面所学的内容，也要求家长的通力配合。

The card is only for Reverend, Pastors and Full-time Seminarian. Valid document is required for application.

只限牧师、传道及全日制神学生申请，申请时需出示相关有效文件。

Scurvy (N.Lat. scorbutus) is a deficiency disease that results from lack of vitamin C, which is required for correct collagen synthesis in humans.

什麽是'维生素C缺乏症-坏血病;维生素C缺乏容易出血，导致黏膜'?

The deionizing and deoxidizing water is required by the methylene blue spectrophotometric method in the new national standard to analyze sulfide in water and waste water.

在新颁国标中，采用亚甲基蓝光度法测定水和废水中硫化物时，要求用去离子除氧水做为实验用水。

For example, invoking the addAll(Collection) method on an unmodifiable collection may, but is not required to, throw the exception if the collection to be added is empty.

例如对于一个不可更新的 集合调用addAll(Collection)，而如果要被添加的集合是空的，可以抛出该异常，但不是必须。