High light efficency , concentrated light, no additional ballast, which can take place of incandesce lamp, reducing investment fees.特点:发光效率高,光线集中, 不需要附加镇流器, 可直接与白炽灯互换使用, 减少投资费用....
用茶匙轻敲鸡蛋，让蛋壳开裂。Tap the eggs gently with a teaspoon to crack the shells.他用手杖轻敲着腿。He was tapping his walking stick against his leg.他用指关节轻敲着桌面直到感到疼痛为止.He rapped the tabletop with his knuckles until they were sore....
Objective To investigate the non - alkaloid constituent of Hippeastrun vittatum ( Amaryllidaceae ).目的研究 石蒜 科植物 花朱顶红中非生物碱类成分.I am a private collector of Amaryllidaceae.我是一名收藏石蒜的私人收藏家.Molecular Cloning of a Novel Mannose -...
希钦斯先生说您破过一些非常离奇的案子。Mr. Hitchens said you have solved some very unusual cases.《迷幻演出》无疑是有史以来最离奇的电影之一。"Performance" is undoubtedly one of the most surreal movies ever made.他称之为人生中最离奇的不幸经历。He called it the most grotesquely t...
Put breakeven equals the strike price minus the premium.卖出期权的收支平衡等于执行价减去期权金.breakeven analysis method盈亏分析法Call breakeven equals the strike price plus the premium.买入期权收支平衡点等于执行价加上期权金.And by calculation the feasible breake...