yield of edible portion of meat

例句：

1. 1. The yield of the crop was disappointing.
   农作物的产量令人失望。
2. 2. The farmers are anxious to get a good yield from their land.
   农民们急切地希望从他们的土地上获得好的产量。
3. 3. The yield of the new technology is expected to be high.
   新技术的产量预计将很高。