The experiment uses adiantum reniforme l. var. sinense y. x. lin as material to understand its mating system through the research of ecology and genetics.
本试验以荷叶铁线蕨为材料，通过对生态学及遗传学等方面的研究，了解其濒危的可能机制。
That may often be the case in the natural as well as in the modern world, as successes in acquiring skills, material resources, social status, and even mating partners may all affect one another.
不仅在自然界，在现代社会，获取技能的成功与获得物质资源、社会地位，甚至和找对象都是环环相扣的。
Extruder from inhaling the material into the mouth of two intermediate gears, and with this space, with the teeth of the shell along the rotating movement, in the last two teeth from when mating.
来自于挤出机的物料在吸入口进入两个齿轮中间，并充满这一空间，随着齿的旋转沿壳体运动，最后在两齿啮合时排出。
Extruder from inhaling the material into the mouth of two intermediate gears, and with this space, with the teeth of the shell along the rotating movement, in the last two teeth from when mating.
来自于挤出机的物料在吸入口进入两个齿轮中间，并充满这一空间，随着齿的旋转沿壳体运动，最后在两齿啮合时排出。
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