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1·Their life cycle helps man provide himself with a basic food—fish.

鱼类的生命周期使其成为一种人类的基本食物。

2·We can see how the product life cycle works by looking at the introduction of instant coffee.

通过观察速溶咖啡的推行，我们可以看到产品生命周期是如何运作的。

3·For a brief moment during that stage of its life cycle, the tongue consists of two tiny half-tubes before merging into one.

在它生命周期的这一阶段，有短暂的一刻，其舌头由两个微小的半管组成，随后融合为一体。

4·Those European and North American young then return to their respective coasts to begin the unusual life cycle of the eel anew.

那些欧洲和北美洲的幼鱼随后回到它们各自的海岸，重新开始鳗鱼独特的生命周期。

5·The importance of the product life cycle to marketers is this: different stages in the product life cycle call for different strategies.

产品生命周期对营销人员的重要性在于：在产品生命周期的不同阶段需要采取不同的策略。

6·If conditions within an organism's environment occasionally or regularly become harsh, it may be advantageous for an organism to have a resistant stage built into the life cycle.

如果一个有机体的环境条件偶尔或经常变得严酷，它可能是有利于这个有机体在生命周期中形成一个抗性阶段的内建。

7·Conventional wisdom would seem to suggest that companies have no incentive to lengthen the life cycle of their products and reduce the revenue they would get from selling new goods.

传统观点似乎认为，企业在延长产品生命周期和减少销售新产品的收入方面是没有动力的。

8·Each new product would have a relatively long life cycle.

每一种新产品都会有一个相对较长的使用周期。《柯林斯英汉双解大词典》

9·Induce Giardia lamblia C2 strain to complete its life cycle in vitro.

在体外诱导蓝氏贾第鞭毛虫 C2 株完成其生活周期。

10·Manage the service life cycle.

管理服务生命周期。