必需的

This has important implications as appropriate classification of these patients is necessary for prognostication, follow-up care, and appropriate placement into clinical trials.

而这一点意义重大，因为将此类患者恰当的分级对于其预后、随访及进行临床试验都是必需的。

In relation to the maximum pseudo time the corresponding maximum load is also required.

关于伪时间最长的相应最大载荷也是必需的。

A market-based system has to be put in place, he said.

他说，恰当的市场机制是必需的。

The ability to exit your boat quickly is an essential component of safety in rapids.

在急流中，迅速离开船的能力是必需的安全要素。

Customer Relationship Management concepts which are examined as Imperatives for 21st century e-Business are: 1 Customer Lifetime Value; 2Customer Acquisition Cost; 3 Split-Run Testing; and 4 Recency, Frequency, and Monetary Value Analysis.

客户关系管理概念在21世纪电子商务的发展是必需的：1顾客终身价值分析；2）客户获得成本；3）分离-运行测试；4）近因，频率和货币价值分析。

This is essential to your recovery after the surgery.

这是必需的复苏，您的手术之后。

Because of its rich in vitamin C, B1, B2 and 18 kinds of essential amino acids and iron, zinc, calcium, palladium, Luo, cadmium, and other nutrients and rare element, so regular consumption can play a disease-resistant, anti-cancer, refreshing, Liver, blood Qi, Run Fei Jin-sheng, Yangwei spleen, and beauty in tolerance.

由于其富含维生素C、B1、B2和18种人体必需的氨基酸及铁、锌、钙、钯、硌、镉等营养物质和稀有元素，所以常食用可起到抗病、抗癌、提神、保肝、补血益气、润肺生津、养胃健脾、养颜驻容的作用。

Because not all requital is meted out in this life, a final judgment is necessary to bring it to completion.

因为并不是所有偿还都给予这种生命，最后的审判是必需的，完全地使之恢复知觉。

For attaining this it was necessary that monitoring rial quality and adjusting to silicon-copper mass in the reaction process.

为达到此目的，监测原材料的质量和调整反应过程中硅铜触体是必需的。

For the rose-colored gold, a mixture of copper alloy is required.

对于玫瑰色的金，1铜合金混合物是必需的。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。