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- food chain cycle 食物链环
- Competition among the species is a continuing cycle in the animal food chain. 在动物的食物链上,不同种群之间的竞争是一个永不停息的循环。
- Producer The first TROPHIC LEVEL, in a food chain. 生产者：食物链中第一个营养级。
- Insects are fairly low down (on) the food chain. 在食物链中，昆虫是相当低的一级生物。
- Removal of SRMs from food chain. 从食品链中去除。
- Its roots are part of the food chain. 根部参与食物链。
- Nothing. He's at the top of the food chain. 没有,他是食物链的最顶层。
- Plankton is at the bottom of the marine food chain. 浮游生物处于海洋食物链的最底层。
- Do not obstruct or chain cycles to the railings. 请不要把自行车靠到或锁到栏杆上。
- This article summarizes selenium s nature of being and chemical cycle ,utilizable range of organism,toxicity and toxicosis,transfer process of food chain and so on. 从硒的自然存在与化学循环、硒的生物效应、硒的毒性与中毒、硒的食物链传递等几方面对硒加以综述性的介绍,以对硒进行较全面的认识。
- A group of organisms that occupy the same position in a food chain. 营养层次，营养级在食物链中居于同一地位的一群生物
- A reach of prairie;the lower reaches of the food chain. 大草原地区；食物链的低等生物群
- Many young Chinese love to eat at the international food chain. 中国的很多年轻人都喜欢这个国际食品连锁店。
- No wonder we're dangling at the bottom of the food chain. 难怪我们只能在食物链的底部晃来晃去。
- The feeding level an organism occupies in a food chain. 指处于食物链某一环节上的所有生物种之总和。
- Mercury accumulates as it works its way up the food chain. 汞会随着食物链上的食物传递而积聚。
- Phytoplankton provide the basis for the whole marine food chain. 浮游植物为整个海洋的食物链提供了基础。
- The food chains extend to the abyss. 食物链一直延伸到深渊。
- Real-time on-line tracking system enables customers to obtain or monitor accurately the actual status of their freight while it moves through the logistics supply chain cycle times. 客户可藉由飞达急便网上实时追踪系统对我们所运送的每一批货进行更迅速的信息传送和查询。
- Aquatic food chains are different from terrestrial ones. 水生食物链不同于陆地食物链。
