裁决
发表于 2025-3-26 22:53:42
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搬运工
发表于 2025-3-27 02:02:49
Maintenance of Warmth by Variable Insulation,gainst the snow, pursue their deliberate individual flights in any degree of arctic cold, or congregate to feed on carrion or sometimes to perform aerial manoeuvers that we call social play. The unconcern with which animals encounter arctic cold impresses the arctic man laboring in thick clothing an
Instantaneous
发表于 2025-3-27 07:22:44
Metabolic Supply of Heat,s in desert and tropical situations toward the temperatures of birds and mammals, their problem of existence becomes one of losing heat. In the arctic climate the conspicuous problem of warmblooded life appears to be the retention of heat. In cold, this problem can be regarded in somewhat simplified
Living-Will
发表于 2025-3-27 13:23:04
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切掉
发表于 2025-3-27 13:53:16
Size and Seasonal Change in Dimensions,t, except in hibernation, does not normally fall below a basal level. As temperature of the environment changes, the various components of overall insulation vary the escape of metabolic heat in a manner that regulates the body temperature. Basal metabolic rates are related to size and they show no
过于平凡
发表于 2025-3-27 20:35:35
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玩忽职守
发表于 2025-3-28 00:27:50
https://doi.org/10.1007/978-1-4471-0385-1t. Petersburg. . did not question that the presence of a North American land bird showed that the Russian explorers had found the American continent. Uncertain navigation with no existing chart left the navigators in much confusion, while . accepted identification of a continent by a single conspicuous species of bird.
osteoclasts
发表于 2025-3-28 03:40:37
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范围广
发表于 2025-3-28 08:00:04
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Irremediable
发表于 2025-3-28 14:07:57
Informationsstrategien und EIS-Typen, physiological terms that allow some general views understandable through common experience. Large differences between internal warmth and environmental cold provide correspondingly large scales for viewing the essential processes of production of animal heat and its adequate retention.