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- This paper ascertains the optimal objective function and optimal binding function of prestressing forced spring roller parameter,works our computer program and calculated optimal parameters. 本文推导出了预应力弹簧托辊在正常运转时结构参数优化的目标函数及约束函数并编制程序进行优化计算。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- The ride on the roller coaster dizzied us. 乘坐云霄飞车使我们头晕。
- We look forward to the return of spring. 我们期待着春天的到来。
- An ill marriage is a spring of ill fortune. 不良的婚姻是恶运的来源。
- May I borrow your roller skates? 我可以借你的旱冰鞋吗？
- Clattering along on roller skates. 踩着轮式溜冰鞋行进
- I am interested in the ten-week trip next spring. 我对明年春天为期10周的旅行感兴趣。
- Spring in East China usually sets in about March. 华东的春天一般约在三月开始。
- The days are drawing out now that it's spring. 春天到来，白昼越来越长了。
- Arrive in summer exactly after spring. 春季以后就是夏季来临。
- It feels like spring festival already! 感觉好像春节已经到了似的！
- A road roller is used in making and repairing roads. 压路机是用来修筑道路的。
- We plant trees and flowers in spring. 我们在春天种花种树。
- Spring rains bring summer flowers. 春雨带来了夏日百花。
- It's a pleasure to hear birds' warble in spring. 在春天里听鸟儿歌唱是一种乐趣。
- A steel tube or wooden roller on which the warp is wound in a loom. 卷轴织机上的铁管或木轮，供经线缠绕之用
- The trees put forth buds and leaves in spring. 春天树木抽芽生叶。
- The fields gave forth an odour of spring. 田野散发出春天的气息。
- Cherry trees flower in the early spring. 樱桃树在早春开花。
