The maximum distance under the given time and the minimum time under the given distance are calculated by using the solution curve of the differential equations and the optimal control method, combining with the methods of the general extreme value and functional extreme value.
首先通过对人体4个生理参数和风力的分析,由牛顿第二定律建立了赛跑的最优速度模型与能量消耗模型;其次利用微分方程的解曲线与最优控制方法,结合普通极值与泛函极值方法,给出时间一定情况下的最大距离,以及赛跑距离一定情况下的最小时间,并利用最小二乘法对若干生理参数进行拟合估计;最后以某高校40多年男子赛跑成绩为依据进行模型检验,找出理论值与实际纪录值的相对误差,从而为提高赛跑成绩提供了科学依据。
The maximum distance determined by n points in the plane can occur only n times.
任意 n个不同点在平面上的最大距离仅能出现 n次 ,在 3维空间中 ,最大距离出现次数最多为2 n -2 。
It is not suitable to define the maximum distance deviated from equilibrnat position by oscillator as its amplitude.
本文指出以阻尼振子偏离平衡位置的最大距离定义为阻尼振动的振幅的提法是不妥的,提出了阻尼振动振幅定义为Aoe-βt的理由及画好x—t图线的重要。
The Maximum-range Trajectory Analysis of Hypersonic Glide-reentry Vehicle
高超声速滑翔式再入飞行器最大航程飞行轨迹分析
The transatlantic journey from New York was shortest when terminated in the United Kingdom.
横渡大西洋的航线,以自纽约至英伦的航程为最短。
the final path followed by an aircraft as it is landing.
飞机着陆的最后航程。
which has been called the @most famous of the great voyages of scientific discovery@,
人们把它称为“科学发现的伟大航行中最著名的旅程”,
This will be the the shortest voyage from the harbor to Southeast Asia, Africa, Oceania.
它将是中国大陆通往东南亚、洲、洋州航程最短的港口。
A Specific Method to Shorten the Great Circle Distance by GPS Navigation
利用GPS导航缩短大圆航程的方法
The worst part of the ocean transit is now over
远洋航程里最困难的一段已经过去了
The worst part of the ocean transit was now over.
远洋航程里最困难的一段已经过去了。
depth-first minimax procedure
深度优先最小最大过程
Include some of the largest vessels afloat.
包括在海上航行着的一些最大的船只。
the largest boat carried by a merchant sailing vessel.
用商用航行容器运载的最大的船。
the greatest amount of sail that a ship can carry safely.
船能够安全航行的最大的帆。
Content optimization of PE for pilot students in civil aviation colleges
民航大学生飞行员航空体育课程优化设置探讨
Half of the voyage was almost accomplished, and the worst localities had been passed.
一半的航程已经差不多走完了,那些最难航行的地方也已经过去了。
On the last one, Wilbur flew for 59 seconds and went 852 feet.
最后一次威尔伯飞行了59秒,航程852英尺。
The Cowes regatta is the longest-running regular yachting regatta in the world.
考斯赛舟会是世界上航程最远的固定赛舟会。
Dalian is also the IT outsourcing capital of China and the software development center of the Northeast.
最近大连更成功地带动物流及航运业的发展,成为东北的航运中心。
Alcan Issoire Plate,Sheet and Profile Plant
加铝伊苏尔轧制厂:全球最大综合性航空航天铝材企业
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