Nests of loosely arranged sticks, rocks, or dirt are cooler in temperature at the bottom where the egg contacts the nesting material.
用细棍、石子或泥土松散地搭建的巢穴在筑巢材料与鸟蛋接触的巢底温度是比较低的。
And because they're optimized for swimming rather than walking, it's difficult for penguins to gather a lot of soft nesting material.
企鹅比较难收集到一些软的筑巢材料，因为它们游泳远比走路擅长。
It was a great opportunity to capture artistic images with high-key sky backgrounds as I did in this photo of a male passing nesting material to his mate.
这是一个能捕捉到艺术图像与高色调背景的绝佳机会，我拍的这张照片上，公鹅正将筑巢材料递给它的另一半。
Then he when returns from his mission, he will stand upon his wife's back to pass the nesting material as she begins weaving them into a nest for her babies.
雄鸽飞回来，会站在妻子身后，递上衔着筑巢的材料，雌鸟开始用它为她的宝宝编织成一个巢。
Nesting material should be added in sufficient amounts to avoid both extreme temperature situations mentioned above and assure that the eggs have a soft, secure place to rest.
筑巢材料应该被添加到足够多，避免以上所提到的极端的温度状况，并确保鸟蛋被放置在一个温和安全的地方。
Feig and colleagues raised mice, some in plain cases with wood chips and others in "enriched" cages with boxes, a running wheel, toys, and constant rearrangements of nesting material.
菲格及其同事分别在装有木屑的普通盒子和放有盒子、飞轮和玩具等物品的“高级”笼子中培育两组幼鼠。在后一个环境中，研究人员还不停地变换物品的摆放。
Both punch and cut nesting provide true-shape "parts in parts" functionality to ensure optimal material utilization.
冲压机床和切割机床都提供零件嵌套的功能，优化材料的利用率。
Aiming at minimum waste material, nesting is a process by which a series of horizontal graphics can be arranged on the original material.
排料是以追求所剩废料最少为目的，在原料上面排放一系列平面图形的过程。
The composite material may be configured by standard processing methods to finished products such as COINS, tokens, and medallions, keys, and other non-nesting articles.
可以通过标准的加工方法将所述复合材料配置为成品，如硬币、代币和大奖章、钥匙和其它非嵌套物件。
The composite material may be configured by standard processing methods to finished products such as COINS, tokens, and medallions, keys, and other non-nesting articles.
可以通过标准的加工方法将所述复合材料配置为成品，如硬币、代币和大奖章、钥匙和其它非嵌套物件。
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