目的：揭示丹霞地貌生境中铁皮石斛的繁育系统及濒危机制。
Objective To reveal the breeding system and endangered mechanism of Dendrobium officinale in Danxia landform.
每组旋转都是基于神奇的太阳花和兔子繁育系统的数学顺序！
Each rotation is based on the magical mathematic sequence that works on sunflowers and rabbit procreation!
的开花物侯、开花动态、访花者的种类、行为和访花频率，并对其繁育系统、花粉-胚珠比（P/O）、花粉活力进行了检测。
The flowering phase and dynamics, insect visitors and their behavior and visiting frequency were observed, and the breeding system, pollen-ovule ratio (P/O) and pollen viability were determined.
在德牧系统繁育时，务必设置多项规定，以便确保低于最低标准的犬只不被用于繁育。
The breeding requirements under the German system are set up to help ensure that dogs who fall below that minimum standard are not used for breeding.
在德牧系统繁育时，务必设置多项规定，以便确保低于最低标准的犬只不被用于繁育。
The breeding requirements under the German system are set up to help ensure that dogs who fall below that minimum standard are not used for breeding.
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