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- The pyloric caecal index dropped prior to the spawning season. (二)、此 种海星主要以底藻、细菌和有机碎屑为食,饲养容易;
- A bluefin tuna can release 10 million fertilized eggs in a spawning season. 在产卵季节,一只金枪鱼能产一千万只受精卵。
- Seabream supplies are decreasing slightly due to the natural spawning season. 由于正值产卵季节,尖吻鲈的供给有所下降。
- A male salmon or sea trout during or shortly after the spawning season. 在产卵期间或期后的雄鲑或雄鳟
- The two-week moratorium is intended to protect a rare local species, the Penghu octopus, during their spawning season. 此为期两周的禁捕是为于产卵期保护稀有的在地物种澎湖章鱼。
- Dredging works shall not be carried out between May and December each year to avoid flowering season for seagrass and the spawning season for corals. 挖泥工程不可在每年的五至十二月间进行,以避开海草的开花及珊瑚的产卵季节。
- The body colour is generally solid black to greyish.During spawning season, males exhibit dark black body colour and their unpaired fins are lined with bluish edges. 躯干一般全黑或灰色,每逢繁殖季节雄鱼体色便会转为深黑色,背鳍、臀鳍和尾鳍边缘泛蓝白色。
- Blasting operations in major fishing waters or other operations that may cause damage to the fishery resources shall not be conducted within the spawning season of major economic fish and shrimps. 在重要渔业水域进行炸药爆破作业或者进行其他可能对渔业资源造成损害的作业活动的,应当避开主要经济类鱼虾的产卵期。
- So could the disappearance of chinook salmon from the waters off California and Oregon last year; the population during the spawning season was 88% below its all-time high in 2003. 去年加利福尼亚和俄勒冈海域的大鳞大马哈鱼的绝迹也是如此,在产卵季节鱼群数量比2003年的峰值低88%25。
- A PROBE INTO THE SPAWNING SEASON OF ANDRIAS DAVIDIANUS 大鲵繁殖盛期的初步探索
- I found a mass of spawn in the fish before cooking. 烧鱼前,我发现鱼里有很多鱼籽。
- A raincoat is a must in the rainy season. 在雨季雨衣是必备之物。
- The road is only negotiable in the dry season. 这条道只有在旱季才能通行。
- Winter is the coldest season in a year. 冬季是一年中最冷的季节。
- a male salmon or sea trout during or shortly after the spawning season 在产卵期间或期后的雄鲑或雄鳟
- The bush was planted early on in the season. 树丛在植树季节一到时就种下了。
- The filly has been raced twice this season. 这匹小牝马本季度曾两次参赛。
- The prices of some vegetables vary with the season. 某些蔬菜的价格随季节而变化。
- A word spoken in due season is pleasant. 合乎时宜的一句话,是令人愉快的。
- Gonad characteristics of Peltedobagrus fulvidraco in spawning season 繁殖季节黄颡鱼的性腺特征
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries