生物学家们长期认为，两类鳍脚亚目动物，即海狮和海象，都是从一种陆地上的类似于熊的动物繁衍而来的。
Biologists have long maintained that two groups of pinnipeds, sea lions and walruses, are descended from response to similar environmental pressures.
在该页面中，可以根据优先级别对活动进行排序，并可以一目了然地查看所有活动的最近更新。
On this page, you can sort your activities by priority, and see recent updates to all your activities at a glance.
这将允许企业用户一目了然地查看您的身份及职业。
This allows business users to see, at a glance, who you are and what you do.
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