必需

The following manufacturers have met the necessary FDA requirements for marketing milk-based infant formulas in the United States: Abbott Nutritionals, Mead Johnson Nutritionals, Nestle USA, PBM Nutritionals, and Solus Products LLC.

以下的生产商符合FDA对在美国销售的婴儿奶制品的必需的要求，这些生产商分别是：Abbott 营养品， Mead Johnson营养品，美国雀巢， PBM营养品， and Solus产品 LLC。

The point is very important for a normal tone , which is that you should keep breath of your sound hole, otherwise, the sound you blow is not exact and it was harsh for audience.

按孔部位 part of press hole 要吹出一个正常的音，有一点是必需做到的，凡要求关闭的音孔是不能漏气的，一丝都不能漏，否则，发出的音则不准确，让人感觉刺耳不实在。

That he needs to do space walk activities.

这是他进行太空行走所必需的。

Where the original album suffered from flat sound and an abrupt ending, this has been remastered and remixed to give it the spacy vibe and airy sound it needs.

专辑原先的音色乏味，结尾也过於唐突，经过2002年的重新灌录和混音，为原先的音乐加入了所必需的空阔的颤音以及轻快的音色。

They are necessary for numerous special functions in the body and are essential for good health.

他们所必需的许多特殊功能的机构，是必不可少的健康状况良好。

The first argument is required, and specifies the tag name of the element to create.

第一个参数是必需的，并指定元素的标记名称创建。

Read absorbance in the spectrophotometer at 505 nm. You have to use the blank for calibration.

必需使用一个空白的样本进行校正，读取各比色管於505 nm下的吸光值。

Read absorbance in a spectrophotometer at 505 nm. You have to use the blank for calibration.

必需使用一个空白的样本进行较正，读取各比色管於505 nm下的吸光值。

This file is required for PS1.1 specular normal map shaders.

此文件是所必需的PS1.1镜面正常地图着色。

It is the study of the use of spherical coordinates to determine how the objects projected on the celestial sphere depending on the location, and study these changes depending on location laws and causes, offered to time depending on location of celestial calculation of parameters of the basis and method, as all the astronomical observations necessary for the basics, the main means of spherical trigonometry math and matrix operations.

它所研究的是怎样利用球面坐标确定天体投影在天球上的视位置，并研究这些视位置变化的规律和产生原因，提出以时间为参数的计算天体视位置的依据和方法，成为一切天文观测所必需的基础知识，主要的数学手段是球面三角学和矩阵运算。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。