后成
- 与 后成 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In this paper, Claisen condensation of isochroman ?4?one as starting material with diethyl oxalate is carried out to form β?diketone compound of isochroman ?4?one.
以异色满酮 4为起始原料,经Claisen缩合得其β二酮衍生物,再与水合肼进行Knorr反应环合成 3 乙氧甲酰基和 3 肼甲酰基异色满并吡唑衍生物,通过酰肼与糠醛反应成腙后,分别与巯基乙酸和氯乙酰氯反应合成了标题化合物
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IT者网站提供英文翻译,未经授权请勿转载】 Street of 90 time China has 20 centuries a kind of small bookstall, want to spend money of on 2 wool to be able to read a Lilliputian book only, a Tongmu, small dingdong, be in at that time stealthily the line of sight that walks into us, subsequently " arrow of holy fighter star "," north fights divine fist "," 7 Long Zhu ", also became the 80 popular caricature after etc.
20世纪90年代中国街头有一种小书摊,只要花上2毛钱就能看一本小人书,阿童木、小叮当、就在那个时候静静的走进我们的视线,随后的《圣斗士星矢》、《北斗神拳》、《七龙珠》、等等也成了80后的热门漫画。
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But when odysseus and diomedes came in disguise to steal the palladium,she helped them to do so as much as she could.after paris died in battle she became the wife of another son of priam.
但当奥德修斯和狄俄墨德斯化装后来偷窃雅典娜神像时,她竭尽全力帮助了她们。帕利斯战死后,她成了皮安姆国王另一个儿子的妻子。
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In order to reduce these artifacts which may occur in the phoneme pontes of the converted speech if the final part of a Chinese character or a syllable is a diphthong or a tri-phthong, we select a main vowel for each final to warp the spectrum in a longer segment: a final.
为了减轻基于音素的声音变换系统合成的声音频谱出现的很多不连续的现象,我们提出为每个韵母选取一个主要元音音素来代替对应的整个韵母部分,这样可以将语音频谱按音节分割成一些较长的频谱段,减少变换后频谱的不连续现象。
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Of, relating to, or belonging to the Diptera, a large order of insects that includes the true flies and mosquitoes, characterized by a single pair of membranous wings and a pair of club-shaped balancing organs.
双翅目的双翅目的或与双翅目(是一个昆虫大目,包括真正的蝇、蚊,具有少数前翅有功能,后翅退化成一对小棒状构造的特性)相关的
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The results show that the gain and directivity performance have bothbeen improved when using an antenna array.
分析结果表明,这两种天线布成阵列后其增益都得到了明显的改善,方向性得到了增强。
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Some of them decided to join music band leading the parade and to do so they pushed the ones who were wearing the giant disguis es■ne of the participants fell down and when he stood up he started beating everyone around so everybody got caught up in a fight.
有些人决定加入位于队首的乐队队伍。为此,他们推挤著那些戴著巨型面具的演员。于是游行队伍中的一个成员跌倒了,他站起来后开始打周围的每一个人,因此大家打成了一团。
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The results show that 5% nucleating agent,twelve-hydrated disodium hydrogen phosphate,could reduce the supercooling degree of acetate hydroxide trihydrate to some extent but the supercooling degree was still large.However,the supercooling degree of sodium acetate trihydrate could decrease clearly by adding 3% thickener gelatin and 5% twelve-hydrated disodium hydrogen phosphate.
实验结果表明,质量百分比为5%的成核剂十二水磷酸氢二钠能一定程度上抑制无机水合盐三水醋酸钠的过冷度,但其过冷度仍然较大;使用质量百分比5%的十二水磷酸氢二钠和质量百分比3%的增稠剂明胶做添加剂后,三水醋酸钠的过冷性能得到明显改善。
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After the coalition victory, the difficulty was to divide the spoils equally among the victorious ministers.
联合成功后,如何在胜利的部长们之间均分权力成了困难所在。
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The thermal signature of the impact was clearly detected in all four Diviner thermal mapping channels.
撞击后的热特征被"预言家"号探测器的4个热成像通道清晰的捕获下来。
- 推荐网络例句
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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.
Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。
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I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.
我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。
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The shamrock is the symbol of Ireland and of St.
三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。