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- That matters because theory suggests that the maximum sustainable yield that can be cropped from fishery comes when the biomass of a target species is about 50% of its original levels. 这点之所以很重要是因为理论指出，一个渔场若能够获得最高持续产量，只有当目标物种的生物量是原来水平的50%25时才能实现。
- That matters because theory suggests that the maximum sustainable yield that can be cropped from a fishery comes when the biomass of a target species is about 50% of its original levels. 因为理论,所以那有关系当目标种的生物量是有关50%25的它最初的水平事时候,可能从一个渔场被收割的最大足可支撑的生产量来。
- The western and-central Pacific Ocean(hereafter WCPO)is one of the main fishing grounds of tuna purse seine fishery in the World with the main target species skipjack,yeUowfin and bigeye tuna. 中西太平洋是世界金枪鱼围网渔业的主要渔场之一,主要渔获鱼种为鲣鱼、黄鳍金枪鱼与大目金枪鱼。
- It means that except targeted mutation (TM ), there exits non targeted mutation (NTM), which is the result of genetic instability induced by DNA damaging agents. 即DNA损伤剂除了能直接作用于细胞遗传物质而造成损伤部位的定标性突变(targeted mutation，TM)外，还可能通过诱导某些基因的表达或功能改变导致DNA复制差错，从而在未损伤部位形成非定标性突变(non targeted mutation，NTM)。
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- Regulation of wild animals and plants in such a way as to provide for their continuance. Efforts are aimed at preventing the depletion of present populations and ensuring the continued existence of the habitats targeted species need to survive. 管理野生动、植物使之成为一种自然资源而继续存在下去。这种努力的目的是在于不使目前的物种数量减少,也确保濒危品种得以生存下来。
- Keywords ERPs;visuals;non targets;working memories; 事件相关电位;视觉;非靶;工作记忆;
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- The torpedo homed in on its target. 鱼雷射向目标。
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- The company has met their export target. 该公司已经实现了它们的出口目标。
- A stationary target is easiest to aim at. 静止的目标是最容易瞄准的。
- He shot an arrow, but it fell short of the target. 他射了一箭，但没有射中靶。
- He won't hit the target at that distance. 他打不中那样远的目标的。
- Shots were fired at the enemy target. 有人向敌军目标开枪。
- I had had a few beers and was completely non compos mentis. 我喝了些啤酒就头昏脑胀了。
- You missed the target by a mile/by miles. 你远未中的。
- He fired several shots (at the target). 他向目标射出了几发子弹。
- He was declared persona non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
