必需

A disease, such as scurvy, beriberi, or pellagra, caused by deficiency of one or more essential vitamins.

维生素缺乏症一种因缺乏一种或多种必需的维生素而形成的疾病，如''。

Chlorella Algae: contains 60% protein, including all the essential amino acids, and high levels of beta-carotene and chlorophyll.

小球藻藻类：载有60 ％的蛋白质，包括所有必需氨基酸，以及高水平的β-胡萝卜素和叶绿素。

The child's mother replied:"Yes, chewing betel, With me is has become a compulsory habit."

孩子的母亲回答说："是的，嚼萎叶，这已经变成了我的一个必需的习惯。"

Bianco suggests that the May4th movement represented the necessary first step towards a true social revolution.

Bianco提出"五四运动"是促成真正社会革命必需的第一步。

As for some things it is all right to quarrel and bicker about, but fundamental cooperation is needed.

在一些事情上有点争吵也无妨，但是必需在根本问题上实行合作。

Every time a number is input to a program, or is printed by a program, some code has to be executed to translate between the binary computer representation and the digit string representation used by humans.

每当一个数被输入到一个程序或是被一个程序输出，某种用于在计算机的二进制表示法和用户使用的阿拉伯数字表示法之间进行转换的代码将必需被执行。

I've had to stop binge drinking and eating after 10 o'clock at night.

我必需停止酗酒和在晚上10点后吃夜宵的生活习惯。

Arachidonic acid is an essential fatty acid in human nutrition and a biogenetic precursor of the biologically active prostaglandins and leukotrienes.

花生四烯酸是人体的必需脂肪酸，具有独特的生物活性。

Bird Dog EIS is sold in three packages depending on the number of emails that you need to track and the functionality that is required.

鸟狗的EIS是出售的3包，视乎有关的电子邮件数量，你需要跟踪和功能是必需的。

Evening Primrose, Black Currant and Borage Oils: These contain the essential fatty acid gamma linolenic acid, which is useful for treating arthritic pain.

月见草、黑加仑、油borage：这些含有必需脂肪酸伽玛亚麻酸这是有益的治疗关节炎疼痛。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐