Vegetable varieties growing in advanced greenhouse must have some special properties including luxuriant growth, continuous fruit setting, lowtemperature and low light tolerance.
要求蔬菜品种具有旺盛的生长势、持续的结果能力，同时需具备耐低温、弱光的能力。
2
High shrinkage PET staple fiber is mainly made by the adoption of lowtemperature drawing, suitable reduction of draw ratio and non-setting process.
涤纶高收缩短纤维的制取，主要采用低温拉伸、适当降低拉伸倍率以及不定型工艺。
3
After lowtemperature stress, the seed setting rare of three stages were decreased, and the number of secondary branches significantly decreased, while other indexes were not remarkable... 3.