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- For soil dry treatments, the main reason was nonstomatal limitation, but for air-dry-soil-wet treatment, stomatal limitation at first but nonstomatal limitation later. 短期干旱使气干土干、气湿土干处理净光合速率下降的主要原因是非气孔限制，而气干土湿处理前期光合速率下降主要是由于气孔限制，后期则为非气孔限制。
- With the decreasing of soil water level, the efficiency of water use efficiency and stomatal limitation value kept stable, but the root and the rhizome grew more than the aboveground part. 研究表明，甘草的光合特性与生物量分配格局对于干旱环境具有很强的适应能力，引起甘草叶片光合速率下降的主要原因是非气孔因素。
- Surely there is a limit to what one can bear. 人的忍耐肯定是有限度的。
- The proposal set a time limit of one year. 提案规定了一年的限期。
- What's the speed limit on the motorway? 高速公路的速度限制是多少?
- He was had up for exceeding the speed limit. 他因超速行驶而遭控告。
- He weighed in at several pounds below the limit. 他赛前量体重比规定限度少几磅。
- We must try and limit our expenditure. 我们必须设法限制我们的开支。
- His speech ran over the time limit. 他的讲话超过了规定的时间限制。
- The speed limit is 40 miles per hour. 规定的最高时速为40英里。
- There's a limit to how much I'm prepared to spend. 我准备花多少钱是有限度的。
- Limit your expenditure to what is essential. 你要把开销限制在必要的范围内。
- I must tell you that his patience has its limit. 我必须告诉你，他的耐心是有限的。
- He is fined$50 for exceeding the speed limit. 他因超速行车而被罚款50美元。
- The speed limit on this road is 70 mph. 这条路的车速限制是每小时70英里。
- Guard cells : control the size of stomatal opening. 保卫细胞:控制气孔张开的大小.
- The time limit stipulated in a prompt note. 交割期限交割通知单的时间限制
- You could win millions! The sky's the limit! 你有可能赢数百万.;无尽无休！
- A withdrawal limit of $200; no minimum age limit. 提款数量最多不超过200美元; 没有最低年龄限制。
- She was driving at well over the speed limit. 她开车的速度远远超过了速度限制。
