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千万人都在用的超大词汇词典翻译APP
- The soil water and nutrient relationships are closely interrelated and should be examined together .
土壤水分和养分是紧密联系的,应当一起研究。 - The total weekly allowance of nutrients is more important than day-to-day exactitudes .
每周营养物质供应的总量要比日与日之间的精确性,更重要得多 - Thus only the metabolizable portions of a feedstuff can provide energy and essential nutrients .
因此,只有饲料的可代谢部分可提供能量和必需的养分。 - He applied phosphate fertilizer in nutrient solution at two levels and at three stages of development .
他在营养液中分两个用量三个发育阶段施入磷肥。 - When spot applications of nutrients are applied, only the small treated areas need be poisoned .
当进行小面积施肥时,只需在施过肥的小面积上放置毒药。 - As might be expected, tropical lakes may be exceedingly productive if nutrients are plentiful .
如所想象的那样,热带湖泊如果营养物丰富,那么会特别高产。 - The abundance and availability of water and nutrients in a soil ecosystem determine its fertility .
土壤生态系统中水分和养分的丰度和有效性决定土壤的肥力。 - An auxotroph requires, in addition to the principal carbon source, one or more organic nutrients .
缺陷营养生物除需要主要碳源外,还需要一种或几种有机养料。 - This overall deterioration in soil structure is usually accompanied by a reduced nutrient retention capacity .
这种土壤结构的全面恶化,通常伴随着养份保持能力的降低。 - If so, accuracy in formulating diets and calculating the nutrient needs of pigs is rendered meaningless .
假如这样,饲粮配合和猪的营养需要计算的精确性就变得毫无意义了。
Last modified time:Thu, 14 Aug 2025 00:29:56 GMT