flocking instinct

Group housing young male Rattus rattoides greatly suppressed physical growth and the growth of sexual organs such a.

黄毛鼠（Ｒａｔｔｕｓ ｒａｔｔｉｄｅｓ）在群居（４只／笼）时体重及性器官，如睾丸和附睾的增长都受到了极大的抑制；血清中睾酮含量的迅速上升以及成熟精子在附睾的曲细精管中出现的时间也比单独关养的晚。

Comparative studies on the flight ability of the social type and scattered type of Locusta migratoria manilensis;

群居型与散居型东亚飞蝗飞行能力的比较研究

The impacts of nymph population densities and stadium of Locusta migratoria manilensis (Meyen) on the changes of its social type to the scattered type;

虫口密度和龄期对东亚飞蝗群居型向散居型转变的影响

Ultrastructure of the flight muscle of female adults in the gregarious phase and solitary phase of the oriental migratory locust,Locusta migratoria manilensis (Meyen) (Orthoptera:Acrididae);

群居型和散居型东亚飞蝗雌成虫飞行肌的超微结构

The paper firstly points out the change of telecom industry value chain in the future, comparing computer industry, then discusses operators competitions will change to infest chain competitions and service brand competitions, and operators income structure will change from network connection and access to value-added services and cooperation and share-cropping.

然后着重探讨了运营商间未来竞争将向群居链竞争和服务品牌竞争转变,并分析了运营商收入结构的变化:从“网络连接与接入”到“增值服务与合作分成”。

penicillatus; (5)E.

penicillatus,群居水云E 。

The Agglomeration Mechanism of Multinationals and the Policy of Lagging Regions to Attract Foreign Investment;

跨国公司的群居机制与落后地区的引资政策