In the blooming and fruit settingperiod of plants, most flowers of plants sensitive to TYLCV was wilt and only few fruits were left.
田间植株在开花结果期时，感病植株大部分花穗凋萎，结果稀少。
2
The concrete precast unit during settingperiod in winter season, would be most likely damaged by freezing and eventually reduced in strength and durability.
冬季施工的混凝土构件，在硬化过程中有可能遭受冻害。
3
So think about what would be a good period to set the expiration date to instead of arbitrarily setting it to some value.