Crop varieties的用法和样例：
例句
- Tailoring new crop varieties with combinations of characteristics that are optimized for different environments, farmers' needs or consumer preferences would also become easier.
结合适应不同环境的特徵，量身订做的新作物品种，将较容易满足农民的需求或消费者的偏好。 - Crossbreeding as a effective way to cultivate excellent crop variety has been extensively applied on major economic crops breeding.
杂交育种技术是培育优良作物品种的有效方法，在主要经济作物育种中已得到广泛的应用。
