必需的

Phosphorus is one of the necessary elements for the plant, which is mainly from the soil.

磷是植物必需的大量元素之一，其主要来源为土壤。

The photochemical processes of one-electron-oxidation, photosensitization and photoionization of a...

这两类氨基酸都是人体所必需的氨基酸，在人体代谢过程中起着重要作用。

This is probably a good idea, but it's not required.

这可能是一个好主意，但它不是必需的。

This is required in order for the program to work.

这是必需的，为了使项目工作。

Silk protein-rich body of various amino acids necessary.

丝蛋白富含人体所必需的各种氨基酸。

I think I have the necessary qualifications.

我认为我具有必需的条件。

At the very start of the pathway, there is also signaling from Ras to Rac.

另一种可能性就是，在ERK转移到细胞核之前长期活化是必需的。

Whatever method of heating was used, artificial respiration was essential for reanimation..

无论用任何暖和方法，人工呼吸仍是救生所必需的。注意，注意力集中

At times it were necessary to reassign the employee to a variable manager so them have to continue to be of value to the company.

有时给任务打工人们换唯一上司也是必需的，能让她们继续为一自己一自己自己搞贡献价value。

The results for the first wet chemistry test suggested that the Martian regolith contained several soluble minerals necessary for life, including potassium, magnesium and chloride.

第一次湿化学分析结果表明，火星风化层中含有好几种生命所必需的可溶矿物质，包括钾、镁和氯化物。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。