Observation was germination and change of tissue structure. 以觀(guān)察發(fā)芽情況和組織結構變化。
The molecular changes of erythrocytic membrane in low selenium cows were studied by the method of deviding into groups. 本實(shí)驗以分組對比法對低硒引起的奶牛紅細胞膜損傷及其超微結構變化進(jìn)行了研究。
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