必须地

Theseshistose pyrites being composed principally of coal, flint, alumina, andsulphuret of iron–the latter in excess–it was necessary to separate thesulphuret of iron, and transform it into sulphate as rapidly as possible.

这些黄铁矿石的主要成分是炭、火石、矾土和硫化铁，其中硫化铁的含量过多，必须使它分离，尽快地把它变为硫酸盐。

So to usefully track the device's vibrations, the ideal NEMS transducer must be capable of resolving extremely small displacements, in the picometer-to-femtometer( trillionth to quadrillionth of a meter) range, across very large bandwidths( extending into the microwave range).

为了要有效地追踪横杆的振动，理想的NEMS电能转换器必须能在很宽的频谱範围内测量到微微米至飞米（0-12~0-15公尺）位移。

A Quadrupole pairing interaction is crucial to explain the downturn of 〓g(1) in 〓of 〓.

计算结果，满意地说明了上述实验观测到的四条规律，特别是必须引进四极对力，才能说明〓g(1)〓下弯发生在〓ω≥0.4MeV。

If want to make quadrupole mass spectrometer work high-efficient、accurate and conveniently, must make it is work with the computer , finish relevant data gathering and data processing.

要使四极质谱计系统能够高效、精确、方便地工作，必须使之与计算机联用，完成相关的数据采集和数据处理。

The paper suggests that we should fight against various extreme nationalism and racialism for the purpose of human rights.

文章指出必须从维护人权的角度彻底地反对一切形式的极端民族主义和种族主义。

Radicalism that must be on the existing socio-political system and traditional culture to conduct a thorough and "liquidation."

激进主义者认为，必须对现有的社会政治制度以及传统文化进行彻底地"清盘"。

The most probable explanation of radioactive disintegration is to be found in terms of the modern ideas concerning the structure of matter.

必须根据物质结构的现代观点才能更好地阐明放射性裂变现象。

This decided derv supplies the organization that must want to have perfect system, science and professional management, produce the integrated advantage of railroad industry with utmost ground.

这就决定了柴油供给必须要有完善的体系、科学的组织和专业的治理，以最大限度地发挥铁路行业的综合优势。

I need to make the most of it because when the rainy season arrives, its shear hell.

我必须在雨季来临前尽可能地把所有的工作都做好。

Software Description: About Agent Ransack, This tool finds files and information on your hard drive. When searching the contents of files, Agent Ransack displays found text, so you can browse the results without having to open each file individually.

Agent Ransack 这件工具发现在你的硬盘驱动器上的文件和信息，当搜查文件的目录的时候，代理清洗，你能够浏览结果而没有必须单独地打开每个文件。

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。。。。