unit time

First it is given to the sufficient conditions that guarantee the existence and global asymptotical stabling of positive periodic solution for the models. Then the maximum sustainable yield per unit time is chosen as management objective, the corresponding optimal population level are determined.

在保证惟一的全局渐近稳定周期解存在的条件下，以单位时间的持久产出作为最终管理目标，得到相应的最佳种群水平和捕获努力量。

A collimating unit is designed for temperature feedback control in real time by using equilibrium techniques.

利用热平衡技术,设计了一套温度实时反馈控制的凖直装置.

Thus, testing unit root in seasonal time series is necessary.

这样对季节性时间序列进行单位根检验是很必要的。

The number of complete cycles of a periodic process occurring per unit time.

生命周期是经济学中用的一个术语.

The terrestrial heat flow value is the heat passing through per unit surface from earth interior in per unit time.

大地热流值是单位时间内由地球内部通过单位地球表面散失的热量。

Production capacity: refers to the largest extruder extrusion amount per unit time.

生产能力: 指挤出机单位时间最大挤出量.

it can stop the revolving basket brackets within 3-5 seconds with a hand brake, which raised the productivity per unit time.

手刹装置，在3～5s内，把惯性旋转中的叶篓框止动，提高了单位时间内的生产率。

Efficiency is the workload that points to to be finished inside unit time.

效率是指单位时间内完成的工作量.

The operating unit has an exponential time with mean 1000 to failure.

操作单元损坏的时间服从均值为1000的指数分布.

Warner Bros. is a unit of Time Warner Inc.

华纳兄弟电影公司是时代华纳公司的一部分.

By employing a relatively detailed thermal load time retardation chart with the unit heat supply area net value of the nuclear heat supply system assigned as an optimization objective, an optimization of the nuclear heat supply plant thermochemical factor was conducted.

利用较详细的热负荷延时图，以核供热系统单位供热厂热面积净现值为优化目标，对核热电化系数进行优化。

Among them is the father of a prematurely born daughter who reported that during the baby's five weeks in the intensive care unit, "learning how to knit infant hats gave me a sense of purpose during a time that I felt very helpless."

他们中有一个女儿早产的父亲，他说孩子在重症监护病房的五个星期里，“在我觉得非常无助的时候，学着编织婴儿帽给了我一种目标感。

The thickness formula of forming cake layer per unit time of rotary tangential flow is derived.

推导出旋转切向流单位时间内形成滤饼层的厚度公式。

Air change flow is one of the sanitarian standards which can evaluate indoor environmental quality, and it is also one of the important parameters that may calculate gas discharge amount per unit time.

新风量是评价室内微环境空气卫生质量的主要卫生指标之一，也是计算室内某种气体单位时间排放量的重要参数。

ESD damage and hardening of an electronic time fuze unit are studied by experiment.

利用静电放电模拟器对某电子时间引信的电子部件的损伤及其防护加固进行了实验研究.

Further studies founding that the root surface area under MS treament was big, the water flow was reduced under unit time, unit pressure gradient and unit surface area of root.

研究发现，甜高粱在MS处理下具有较高的根系表面积，使其在单位时间内，单位压力梯度下流经单位根表面积（或长度）的水流降低。

Synthesis of the crank-rocker mechanism with unit time ratio

无急回曲柄摇杆机构的综合

The problem is to determine the optimal replacement policy ( N, T)? such that the long-run expected cost per unit time is minimized.

利用几何过程，以系统大修次数N和大修时间间隔T为更换策略，选择最优策略（N，T）使系统经长期运行单位时间的期望费用最小。

Systematic inside have adopted the method of time base with timing circuit storing annual examine information, then the traffic management department and the automobile operation unit can manage or supervise automobile easily.

系统内部采用了时基电路定时的方法储存年检信息，便于交通管理部门以及汽车运营单位对汽车进行管理和监督。

Equipments random inventory management strategy and relevant factors include ordering cost, storage cost, average cost per unit time, probability of no shortage of spare parts, and decision models.

器材随机库存管理控制策略及其有关因素包括：订货费用、存贮费用、单位时间内备件的平均费用、不缺备件概率及决策模型。

This meant that its response to a spike of unit amplitude would be a wave with unit height after one time interval, and with zero height at every other unit time interval:

一个单位振幅的脉冲，会反馈为一段在1单位时间点上具有单位高度的波，而在其它单位时间点上的高度均为0：

In MPS multi-electrode system, two or more welding arcs burning in one molten pool, the heat input is several times of single power supply. It greatly incases the welding productive because the amount of melting metal in a unit time is increased.

多电源多丝焊接工艺中几个焊丝在一个熔池内燃烧，总的热量输入是单丝焊接热量输入的若干倍，使单位时间内金属的熔化量大大提高，从而可以明显提高焊接生产率。

The greater the alveolar ventilation, the more CO 2 is removed from the body per unit time.

肺泡通气量越大, 单位时间内从机体排出的CO2就越多.

Research is between communication server establishment cache, reduce unit time as far as possible application is for database directly read to take.

研究在通信服务器之间建立高速缓存，尽量减少单位时间内应用对数据库的直接读取，提高并发用户多时系统的性能。

This text utilizes finite element method set up slope rock deep hole blasting models of some power station, use three-dimensional finite element entity unit model, and make time history analysis when going on of blasting earthquake.

并利用有限元方法建立了边坡岩石深孔爆破模型，爆破地震的产生过程进行模拟，获得距爆孔一定距离范围内岩体某点的加速度时程曲线，即取得了爆破地震波。

The fast mould clamping unit can short the cycle time of production.

快速锁模装置,缩短生产周期.