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- the Western Pacific Subtropical High(WPSH) Double Ridges Process(DRP) 西太平洋副热带高压双脊线
- Entire membrane double ridges trench sowing 全膜双垄沟播
- Double ridges full plastic film cover 双垄全膜覆盖
- double ridges rainwater harvesting 双垄面集雨
- double ridges with full film coverage 双垄全膜覆盖
- After changed into short sunshine in double ridge stage,the variety J30sensitive to photoperiod didn’t tassel. 二棱期转短日照后,光周期敏感型品种J30未能抽穗。
- The eigenvalues and cut-off wavelengthes of double ridged waveguide are computed and analyzed by Finite Element Method(FEM). 本文主要运用电磁场有限元方法来分析计算脊波导的特征值以及截止波长。
- 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。
- whole plastic-film mulching on double ridges and planting in catchment furrows 全膜双垄沟播
- A universal computer program has been developed to analyze different kind of waveguides ,which include symmetry and dissymmetry,single ridged and double ridged waveguide,and rectangle waveguide. 编制了一个计算各种对称和不对称单脊、双脊波导和矩形波导特征值的通用程序,并提出了一种简单的强加边界条件方法。
- Abstract: The design requirement of TRL calibration kit is discussed in this paper.The dimensions of the calibration kit for double ridge waveguide were designed according to calibration theory. 摘 要: 本文首先讨论了矢量网路分析仪TRL校准技术对校准件的要求，并根据校准原理设计出了脊波导TRL校准件的尺寸。
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
- I want a double room with a view. 我要一间能看到风景的双人房间。
- He was so fat that he had a double chin. 他胖得有双下巴了。
- The carpet is too thick to double up. 这地毯太厚没法折叠。
- Is the material single width or double width? 这幅料子是单幅的还是双幅的？
- Reserve double room June fourth to tenth inclusive. 预订双人房间，六月四日至十日，共六晚，望订妥复电。
- In this case, I can double for penalty. 假如这样的话，我可以叫加倍了。
