Double Ridge Guide Horn Antenna 喇叭天线
double ridge mulching 双垄全膜覆盖
Highter temperature and longer daylength could accelerate the spike differentiation after the double ridge.
进入二棱后，高温长日照加速幼穗分化进程。
The period of tripe mound of barley is the morphological symbol to complete the vernalization phase and start ear initiation, but the wheat is in double ridge.
三联期是大麦通过春化阶段和幼穗分化开始的形态指标，而小麦是二棱期。
The TRL calibration was completed using 10 error correction models in the vector network analyzer. The accurate measurement of double ridge waveguide device was realized.
最后利用网络分析仪的10项误差修正原理完成了脊波导的TRL校准，实现了脊波导器件微波参数的准确测试。
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