Meanwhile, the Penjing plants must be grown in greenhouses with mesh screening of less than 1.6 mm 2 years before export, and 0.6 mm 6 months before export.
同时，出口前2年须种植在网径小于1.6毫米的网室中，出口前6个月须种植在网径小于0.6毫米的网室内。
Surface mounted closers shall be full rack and pinion type, with pressure cast alloy shell, with no more than 53 mm (2 1/8") projection from the door surface."
表面安装式关门装置应是全齿条的和小齿轮型的，带压力铸造合金的外壳，从门表面突出不超过53毫米（2 1/8英寸）。
The diagnostic methods, experiment results and some discussion in MM-2 ECRH experiment for heating plasma and building a hot electron ring have been presented in this paper.
主要叙述了MM-2装置通过ECRH加热等离子体并形成热电子环的实验诊断方法，原理、结果和讨论。
The diagnostic methods, experiment results and some discussion in MM-2 ECRH experiment for heating plasma and building a hot electron ring have been presented in this paper.
主要叙述了MM-2装置通过ECRH加热等离子体并形成热电子环的实验诊断方法，原理、结果和讨论。
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