Then,Fermat minimum time principle is used to deduce the compensation formula by considering the effect of both hole diameter and lithology.
设计了一种砂泥岩剖面的变井径、变岩性模型,分析了补偿声波测井产生的滑行波传播路径,按照费马时间最小原理推导出了同时考虑井径变化和岩性变化的声波时差补偿计算公式。
This paper explains course design of minimum time control, including teaching contents, critical knowledge points and an example.
“最小时间控制问题”是控制专业课程“最优控制”中极大值原理的重要应用。
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。
Second, the maximum distance D under the time T is determined and the minimum time T under the distance D is determined by using the integral curve of the differential equations and the optimal control method, and the methods of the general extreme value and functional extreme v.
基于牛顿第二定律,首先通过对人体4个生理参数(最大冲力F;体内和体外的阻力系数τ;由O2的新陈代谢作用提供能量的速度ξ;体内储存能量的初始值E0)和风力R的分析,建立赛跑的最优速度数学模型与能量消耗数学模型;第二,利用微分方程的积分曲线与最优控制方法,结合普通极值方法和泛函极值方法,给出时间T一定的情况下的最大距离Dmax以及赛跑距离D一定的情况下的最小时间Tmin;第三,利用最小二乘法对上述生理参数进行拟合估计;最后,以某高等学校20多年的女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的依据。
The time specified is less than the minimum point in time allowed. Time corrected.
指定的时间小于允许的最小时间点。已更正时间。
Minimum time delta between transaction begin and commit
事务开始与提交之间的最小时间增量
The minimum interval of time necessary to electrically stimulate a muscle or nerve fiber, using twice the minimum current needed to elicit a threshold response.
时值用电刺激肌肉或神经纤维的最小时间间隔，用两倍的最小电流来产生临界响应
Research for Minimum Time Windows Algorithm in Parallel and Distributed Simulation
并行分布式仿真中最小时间窗MTW算法研究
minimum clock-pulse duratio
最小时钟脉冲持续时间
Minimizing Maximum Lateness On Batching Machine;
最大延迟时间的极小化分批排序问题
Idle-time minimized dynamic bandwidth allocation algorithms for EPON networks
EPON最小空闲时间动态带宽分配算法
Minimizing the Maximum Deviation of Job Completion Time from Their Due Dates Based on a General Mode;
一个一般应交工时间模式下完工时间的最大离差最小问题
The Optimum with the Shortest total Processing Time of on-Time Jobs
不误工工件加工时间之和最小的最优解
Warning: Scheduled update occured before minimum update interval
警告: 计划更新早于最小更新的时间间隔
Set a time limit for being in this state. The smallest interval is 15 minutes.
设置处于此状态的时间限制。最小的时间间隔为 15 分钟。
The year's total duration of bright sunshine of 1558.2 hours was the shortest recorded.
本年录得总日照时间为1558.2小时，是历年最低纪录；
There is a 72-hour window of opportunity and it may be best to support regional teams on the ground.
有72小时的最佳求援时间，所以最好对本地部队进行地面援助。
The time that a nap is most effective is when a person is not tired and is using the nap to prevent future fatigue.
小睡最有效的时间是在还不觉得疲倦时，用小睡一下来预防疲劳。
The largest city in europe is link by hourly flight.
欧洲最大的城市间都有每小时一次的航班相连。
Minimize during screen capture session, then stop on restore
在屏幕捕获会话期间最小化，然后在恢复时停止
The final round involves a repeat of the third round in order to narrow the range of time estimates.
最后一轮得重复第三轮以便缩小时间估算范围。
Design and Analysis of Predictive Scheduling Algorithms for Minimizing Total Completion Time Problem;
最小化总完工时间预测调度算法的设计与分析