一种多功能培养观察池，它涉及一种培养观察池。
The utility model provides a multifunctional culture and observation pool, which relates to a culture and observation pool.
克雷布斯假设，小群的苍鹭是在观察，它们可能会跟随被观察的苍鹭去更好的觅食池，那里通常会吸引更多的鸟类。
Krebs hypothesizes that the herons in smaller flocks are watching for herons that they might follow to better feeding pools, which usually attract larger numbers of the birds.
病变组同时观察主要脑池的改变。
The changes of cisterna in abnormal group were observed simultaneously.
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