n.
required activity
"the requirements of his work affected his health"
同义词：demand
anything indispensable
"allow farmers to buy their requirements under favorable conditions"
同义词：necessityessentialrequisitenecessary
something that is required in advance
同义词：prerequisite
Nutrient Requirements of Poultry
Nutrient requirements of dairy cattle.
Nutrient requirements of suspension cultures of soybean root cells
Guidelines for Computing CropWater Requirements
Nutrient requirements of domestic animals. Nutrient requirements of poultry. Eighth revised edition, 1984.
Understanding the Warburg effect: the metabolic requirements of cell proliferation.
Crop evapotranspiration: gigelines for computing crop water requirements
Crop evapotranspiration ; Guidelines for computing Crop Water Requirements
FAO. 1998. Crop Evapotranspiration: Guidelines for Computing Crop Water Requirements. Irrigation and Drainage Paper 56. FAO, Rome
Crop evapotranspiration: Guidelines for computing crop water requirements. Irrigation and Drainage Paper No 56. Food and Agriculture...
