The devices in SDH network must have the function of extracting timing reference from STM-N.
SDH网络设备必须具有从STM - N线路信号中提取定时参考的功能。
The devices in SDH network possess the function of extracting timing reference from STM-N.
SDH网络设备必需具有从STM - n线路信号中提取定时参考的功能。
Based upon the control specifications and corrosion factors, measures for improving LPG quality were presented and were successful in application. This provided useful reference parameters for n...
依据控制指标和腐蚀因素，提出了改进液化石油气质量的措施，并在应用后取得了成功，为正常生产提供了可参考的控制参数。
The concentrations of N and S in Sabina chinensis leaf were higher along urban trunk roads and belt highway than at reference site, while those along suburban roads were similar to the reference.
城市干线和绕城公路蜀桧叶片中的N和S含量高于对照点，而城郊公路则接近对照。
When averaging the outputs of classic voltage amplifiers, you can reduce the noise to a fraction of 1/ by using N amplifiers and three times as many resistors (Reference 2).
当平均经典电压放大器的输出时，通过使用N个放大器和三倍电阻减少噪声到1/ （参考文献2）。
Abstract N-acetylneuraminic acid certified reference material was separated by semi-preparation HPLC.
摘要采用半制备液相色谱法制备 N- 乙酰基神经氨酸标准物质。
Abstract N-acetylneuraminic acid certified reference material was separated by semi-preparation HPLC.
摘要采用半制备液相色谱法制备 N- 乙酰基神经氨酸标准物质。
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