[ 复数 pips 第三人称单数 pips 现在分词 pipping 过去式 pipped 过去分词 pipped ]
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同义词: spot
同义词: blip radar target
以上来源于: WordNet
N the seed of a fleshy fruit, such as an apple or pear 果核
N
N a short high-pitched sound, a sequence of which can act as a time signal, esp on radio 报时信号
V to chirp; peep (幼鸟)鸣叫
V to pierce (the shell of its egg) while hatching 破壳而出
V
N a contagious disease of poultry characterized by the secretion of thick mucus in the mouth and throat 舌喉炎
V to cause to be annoyed or depressed 使厌恶 [英国英语] [slang]
V
V to wound or kill, esp with a gun (尤指枪)伤、杀
A series of new aromatic poly(amide imide)s PI-P IV containing phthalazinone moieties are synthesized from the novel diamines I - IV by direct Yamazaki polycondensation.
设计将扭曲、非共平面的杂萘联苯结构引入聚芳酰胺亚胺的大分子主链,获得了耐高温、可溶解的新型聚芳酰胺亚胺。
px So we're talking about pi carbon 2 p x, 2px because it's the x axes combining to carbon 2 p x.
我们讨论的是π碳,因为它在x轴结合成碳。
px 2py So we need to fill all the way up to the pi 2 p x, and the pi 2 p y.
我们需要填到。
So let's fill it out in this way, 2p keeping in mind that we're going to fill sigma out the pi 2 p's before the sigma.
让我们这样填上去,记住我们先填π,轨道再填。
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