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A comb is a tool consisting of a shaft [长柄] that holds a row of teeth for pulling through the hair to clean, untangle, or style it. Combs have been us 阅读全文
posted @ 2022-07-29 19:54
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A column or pillar in architecture and structural engineering is a structural element that transmits, through compression, the weight of the structure 阅读全文
posted @ 2022-07-29 16:53
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In biology, a colony is a group of individual organisms of the same species living closely together. 殖：1. 孳生；2. 种植；3. 兴生财利。 货殖列传出自史记。 殖民指强国向它所征服的地区移民， 阅读全文
posted @ 2022-07-29 16:26
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色温 冯默风夹起一块玄铁放入炉中加热，它的颜色逐渐由黑变红，又转黄，发白，最后放出蓝色的光芒。他神色凝重地道：它的色温定有2800K。黄蓉笑道：2800K便是2800 - 273.15 ≈ 2527 ℃。开尔文也叫绝对温度。每变化1K相当于变化1 ℃，计算起点不同而已。0K = -273.15 ℃。 阅读全文
posted @ 2022-07-29 11:46
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