1.The control system meets the requirements the accuracy and stability of LD's temperature control in the area of op tical fiber sensors.
该系统可以满足光纤传感等领域对半导体激光器温度控制精度和稳定性的要求。
2.the closest rival to angkor , the mayan city of tical in guatemala , was roughly 50 square miles in total size.
吴哥的劲敌，危地马拉提卡尔的玛雅城，其总面积大概为50平方英里。
3.It can be applied in pra c tical production for its high precision, high reliability, single structure and extendibility.
该装置具有较高的精度和可靠性，并且结构简单、可扩展性强，可以在生产应用中推广。
4.Numerical Simulation Research of the Air Flow Field in Ver-tical Coal Gasification-Smokeless Combustion Boilers
煤气化-无烟燃烧立式锅炉内空气动力声的数值模拟研究