这些资料表明叶舌和辐间的多层区似乎早于异孢性。
These data suggest the ligule and interradial multilamellate region appeared prior to heterospory.
星载辐射制冷器的级间支撑，即要隔热，又要求保持一定的刚度和强度，保证辐冷器结构的完整性。
The support straps system of spaceborne radiant coolers requires thermal isolation and it requires to remain high stiffness and strength in order to ensure the radiant coolers structural integrity.
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