sn
abbr.
Senegal 塞内加尔;
serial number 序列号;
例句:
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But observation of SN from MW are very rare.
来自SA
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Especially , thepresence of Sn in TiO _ 2 - SnO 2 - SiO 2 catalyst promotered the selectivity to DPO.
经 Sn 改性后的复合型TiO_2-SnO2-SiO2催化剂,使DPO的选择性明显提高.
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E 5 neIFn ; 9 Imp [ sn ` eFEn / n [ C , U ] : He does some brilliant impersonations of the president.
他 扮演 总统有些地方十分出色.
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Short - chain acids in milk fat are selectively associated with the sn - 3 position.
乳脂肪中 短链 脂肪酸有选择地连接在sn -3 位.
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How can such white dwarfs approach both ways -- SN and merger?
来自SA
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The nearer group of SN observed did not produce this discrepancy in estimated distances.
来自SA