当水中溶氧量低于3.5mg/L时,则会窒息死亡,在夏季水中溶氧3mg/L,被视为是虹鳟的死点 (dead point),适于虹鳟良好生长的最佳溶氧量为6~10mg/L。溶氧在5mg/L以下时,则食欲不振,食量大减。
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lower dead point [机] 下死点
upper dead point 上止点 ; [机] 上死点
outer dead point 外死点 ; 外止点
bottom dead point 下止点 ; [机] 下死点 ; 下死点下止点
top dead point 上止点 ; 上死点
inner dead point 内死点 ; 内止点
Dead Point Position 死点位置
Upper dead point sensor 上止点传感器
dead horse point state park 死马点州立公园 ; 死马点 ; 死马角州立公园
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以上来源于: WordNet
N → another name for dead centre
The mechanism is made up of gear and gear rack can get rid of dead point.
提出了一种齿轮齿条机构产生匀速往复直线运动并能克服死点的方法。
Stable performance, no dead point, smooth speed adjustment due to optimization design.
经过优化设计,电机工作性能稳定,无死点,调速平稳。
The dead point position of mechanism is a common sight. Undoubtedly, it is very important for precise press-working to solve the problem of dead-point precision.
机构的死点位置在机械中很常见,解决死点位置的精度问题对于精密压力加工无疑是非常重要的。
It ends at the Dead Sea, the lowest point on Earth, four hundred meters below the level of the Mediterranean Sea.
VOA: special.2009.05.18
Usually it's not. That was the point that discussed in my chapter comparing him to Houston's film The Dead. Houston's film is filled with sentimentality and nostalgia. Welles generally avoids that, the way James Joyce does.
通常并非如此,那正是我在比较,他的作品与休斯顿的电影《死魂灵》,的章节中所谈到的,休斯顿的电影,充满了多愁善感和怀旧情绪,而威尔斯通常,尽量避免那样做,那是詹姆斯·乔伊斯的方式。
While Foreign Office officials will not confirm or deny the widespread media reports here that two Britons employed as private security guards in Iraq have died in captivity, various accounts point to the likelihood that Alan McMenemy and Alec MacLachlan are probably dead.
VOA: standard.2009.07.29
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