英汉双语例句-生物医药大词典

Back then, chip designers considered it risky to add two or three layers of metal on top of the silicon wafer because each new layer added hills and valleys that made it difficult to keep photolithographic patterns in focus.

中文意思：
当时的晶片设计者认为在矽晶圆上加上两三层金属有点冒险，会使晶圆表面凹凸不平，增加光刻过程中聚焦的困难。

以下为相关句子列表(点击查看，可以看对应的解释）：

	Back their causes, they have evolved from the ancient Greek alphabet, and the ancient Greek alphabet again on the ancient Egyptian hieroglyphs the Phoenician alphabet evolved.			溯其根源，它们多由古希腊字母演化而来，而古希腊字母又是由借鉴了古埃及象形文字的腓尼基字母演化而来的。
	Back then Hippies were regarded as a counter-culture that threatened to disrupt normal society.			那个时候，嬉皮文化被看作是一个对常人社会有破坏性威胁的非主流文化。
	Back then there was no electric lamps installed, a tiny oil lamp on their helmet was the only light source.			地下黑漆一片﹐加上爆石的灰尘﹐能见度低之又低﹐照明全凭头盔上一只小油灯。
	Back then there were four of us, and we got along well.			当时就我们四个人，大家在一起相处得很好。
	Back then, Japan's rising bilateral trade surplus and its mounting foreign-exchange reserves were seen as “proof” of its manipulated currency and mercantilist attitude.			彼时，日本在日美双边贸易中日益增长的顺差和不断增加的外汇储备被视为日本受到操控的货币和重商主义态度的“证据”。
	Back then, chip designers considered it risky to add two or three layers of metal on top of the silicon wafer because each new layer added hills and valleys that made it difficult to keep photolithographic patterns in focus.			当时的晶片设计者认为在矽晶圆上加上两三层金属有点冒险，会使晶圆表面凹凸不平，增加光刻过程中聚焦的困难。
	Back then, he paid the bills by driving a taxi, moving refrigerators and dressing up as a giant chicken to promote a fast food restaurant.			在当时，他靠开出租车、搬冰箱和打扮成火鸡帮快餐店做宣传来赚钱支付账单。
	Back then, it occurred almost precisely when the tit hatchlings needed it most.			1985年，这个高峰期几乎就是白颊山雀孵化、最需喂食的时间。
	Back then, she was a struggling single mother who wrote in cafes to save on the heating bill at home.			那时，身为单身妈妈的罗琳生活艰难，她为了节省家里的取暖费，就去咖啡馆写作。
	Back then, war was personal.			当时的战争是人与人的直接攻击。
	Back then, when McGrady made his declaration, it was talk, something between brash and bold, part presumptuous and part realistic acceptance that another first round would be treated as a referendum on his career.			回想那时，麦克格雷迪是在一个非正式的谈话中发布了这个宣言.在那个谈话中麦迪表现得过分自信了，径自把在客场的第一场比赛当作他职业生涯的一次个人能力的证明。