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- This article deals with the trajectory from Earth to Moon based on the low thrust,and attempts to expose the mechanism of low-thrust transfer in the frame of restricted four body problem. 在限制性四体模型下研究基于小推力方式的地月低能转移问题,通过借助于平动点轨道的相空间结构来揭示小推力转移的机理。
- Restricted four body problem 限制性四体问题
- four body problem 四体问题
- The behaviourist approach solves the mind body problem by rejecting the concept of "mind". 行为主义者提出了通过拒斥“心灵”概念来解决身心问题。
- It is reported that kickboxing，step aerobics, latin dancing, youga are top four body building exercises in summer. 练习瑜伽能使内分泌平衡，身体的四肢得到均衡发展，即便睡眠时间不是很长，也能保持较好的体力。
- three body problem in nuclear physics 核三体问题
- Prior to this time, one will tend to have two or three of the four;and can focus upon retrieving the information necessary to have all four bodies surrounding the field. 在此前，你将往往会持有4个中的2个或3个，并能专注于恢复必要的信息以令所有4个精微体均能到位。
- circular restricted three body problem 圆形限制性三体问题
- It is clear to all of us that two plus two is four. 二加二等于四对我们大家都很清楚。
- The Application of Center of Mass System to Two Body Problem 质心坐标系在处理二体问题时的应用
- He wove four plots together into a novel. 他把四条情节编成一部小说。
- We have tea at four o'clock in the afternoon. 我们在下午四点钟喝茶。
- The town boasts four swimming pools. 这座城镇以拥有四个游泳池而自豪。
- Our football team won by four goals to nil. 我们的足球队以四比零取胜。
- He lay back and hit the ball for four. 他向后弯身击中球，得了4分。
- I was clean broke in less than four days. 不到四天我就一个钱也没有了。
- I'll look out for you at about four. 我4点钟左右找你。
- He showed us four case studies of disturbed girls. 他给我们看了4位精神失常姑娘的病历。
- My house is four miles distance from the sea. 我家离海四英里。
- Our team beat them hollow by four clear goals. 我们队以净胜4分彻底击败了他们。
