A leader in S-band radar development, Lockheed Martin's high-powered radar systems will find and follow the course of thousands of pieces of space debris to an accuracy of just meters.
洛克希德·马丁高功率雷达系统公司S波段雷达研发负责人将找到并跟踪成千上万的太空碎片，精度可达到几米内。
The cell number development of Viola diffusa Ging during a culture course was similar to a "S" curve with apparent logarithmic phase.
细胞悬浮培养一个周期过程中细胞数目增长的动态基本上是一条S型曲线 ，对数生长期明显 ；
The cell number development of Viola diffusa Ging during a culture course was similar to a "S" curve with apparent logarithmic phase.
细胞悬浮培养一个周期过程中细胞数目增长的动态基本上是一条S型曲线 ，对数生长期明显 ；
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