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鱼苗

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The Institute of Design Refit but be accomplished on changing water ventilation style charge oxygen sealing off the luck fish device being to transport the live fish basis directly in the plastic bag, it can be on the march in the lower , relaxed condition fleetness field not loosening a plastic bag changing water aeration.

1达州职业技术学院,四川达州635001;2中国农业大学,北京 100094)(宋体小5号居中)摘要:本研究所设计的换水换气式充氧密封鱼苗运输装置是直接在塑料袋运输活鱼基础上改装而成,它能在不松开塑料袋的条件下,轻松快速地进行换水换气。

Tanzania—After two weeks of in-mouth incubation, a school of perhaps 200 cichlid fry—each less than half an inch long—swim free of their mother, searching for a plankton meal in the cerulean waters of Lake Tanganyika.

坦桑尼亚,游泳,在经过两天的口孵化,有可能是200鲷鱼苗学校每不到一个半英寸长,周摆脱他们的母亲,因为在坦噶尼喀湖蔚蓝的海域浮游生物餐搜索。

In the latter case, fries from the cold store can be used to supplement the production stream, for a seamless surge in output.

在后一种情况下,从冷库鱼苗可用于补充生产流,为无缝的产值增长。

The fry of black seabreamand giant sea perch with 4.0cm-8.5cm using the methods of dyeing, i.e., the fish immersed in the water solution containing comestible pigment, immersion in tetracycline, i.e., the fish immersed in the water solution containing tetracycline, and marking by spraying, i.e., the fish sprayed with fluorescent pigment spraying on the skin of fish, and double marking, i.e., the fish sprayed with fluorescent pigment spraying on the skin of fish after feed with tetracycline, and control group. The survival rates, mark retention rates and hydrology data were separately measured every three days for black sea bream and every two days for giant sea perch. The results were as follows.

本研究针对体长4.0cm-8.5cm的黑鲷及金目鲈的鱼苗采用染色法(将鱼只浸泡在含有食用色素的水溶液中)、四环霉素浸泡法(将鱼只浸泡在含有四环霉素的水溶液中)、喷枪法(利用高压喷枪将萤光色素打在鱼的表皮)以及双重标识法(四环霉素投餵法加上喷枪法)与一组空白组进行试验,黑鲷每三天一次、金目鲈每两天一次,调查标识后鱼只的时间别残存率、时间别标识残留率以及水质资料,结果如下。

Back when you were a small fry you probably watched them on TV or might have seen them in action at the county fair.

当你回到一个小鱼苗你可能看他们在电视上或者可能已经看到他们在行动县公平。

Behavioral phenomena quantified by genetic markers in various species include patterns of multiple mating by both sexes; frequent cuckoldry by males and rare cuckoldry by females in nest-tending species; additional routes to surrogate parentage via nest piracy and egg-thievery; egg mimicry by nest-tending males; brood parasitism by helper males in cooperative breeders; clutch mixing in oral brooders; kinship in schooling fry of broadcast spawners; sperm storage by dams in female-pregnant species; and sex-role reversal, polyandry, and strong sexual selection on females in some male-pregnant species.

通过遗传标记测量不同种的行为现象涉及两性间的多种交配现象:趋穴型种类中雄性与多个雌性私通而雌性则较少交配;通过侵略巢穴和偷窃卵的行为进行偷梁换柱;通过趋穴型雄性鱼类进行卵的模拟;通过共同繁殖型中的雄性进行寄生抚育;通过混合在口孵育型鱼类的幼体间;广播种型产卵者鱼苗的亲缘关系;怀卵孵化型鱼类的精子储存;以及性逆转,一妻多夫,雄性怀卵抚育型种类雌性的强烈性选择。

Behaioral phenomena quantified by genetic markers in arious species include patterns of multiple mating by both sexes; frequent cuckoldry by males and rare cuckoldry by females in nest-tending species; additional routes to surrogate parentage ia nest piracy and egg-thieery; egg mimicry by nest-tending males; brood parasitism by helper males in cooperatie breeders; clutch mixing in oral brooders; kinship in schooling fry of broadcast spawners; sperm storage by dams in female-pregnant species; and sex-role reersal, polyandry, and strong sexual selection on females in some male-pregnant species.

通过遗传标记测量不同种的行为现象涉及两性间的多种交配现象:趋穴型种类中雄性与多个雌性私通而雌性则较少交配;通过侵略巢穴和偷窃卵的行为进行偷梁换柱;通过趋穴型雄性鱼类进行卵的模拟;通过共同繁殖型中的雄性进行寄生抚育;通过混合在口孵育型鱼类的幼体间;广播种型产卵者鱼苗的亲缘关系;怀卵孵化型鱼类的精子储存;以及性逆转,一妻多夫,雄性怀卵抚育型种类雌性的强烈性选择。

Members of the Prescott Kiwanis Club are planning a fish fry for Oct. 20, just before the Curley Wolves meet Centerpoint in the last home game of the football season.

成员的科特基瓦尼斯俱乐部正在筹划一个鱼苗10月20日,刚刚前curley狼满足centerpoint在最后一场主场比赛的足球季节。

Deseret News - Fly rod anglers find smallmouth easy to catch on flies such as Woolly Buggers that imitate crayfish, Glimmer Leeches that imitate minnows or on the surface with cork or Deer Hair poppers.

deseret新闻-钓竿钓鱼寻找s mallmouth容易捕捉苍蝇就如糊涂b uggers即模仿小龙虾,微光水蛭即模仿鱼苗或在表面上与软木或鹿毛拍到了。

Though Mr. Rowland spends perhaps an hour a night in the basement, looking for dead fish and new spawn, he knows that no system is fail-safe.

虽然罗兰每晚约花一个小时待在地下室,查看有无死鱼或新鱼苗,他知道任何系统都不可能零失败。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力