随时

According to the change of the enemy\'s quantity and the qualitative theory of the differential equation, we research the spruce aphides and its predator system. At the same time, we discussion the spruce aphid multiplication model when the natural enemy quantity is a certain value and the periodic oscillating model whose the quantity of the natural enemy changes along with the time. Obtains the stability condition of the balance point and the limit-cycle existing condition, the system presents the dissipative structure\'s character. Finally it explains that this theoretical analysis has certain practical significance regarding the preventing and controlling harmful insect.

第五章，松毛虫与其天敌的关系是食饵和捕食者的关系，根据天敌数量的变化，利用微分方程定性理论，研究松毛虫与天敌系统，讨论天敌数量为一定时的松毛虫增殖模型和天敌数量随时间变化的周期振荡模型，得到正平衡点全局稳定性和极限环的存在条件，通过计算机模拟，说明周期振荡的捕食模型能够呈现典型的时间耗散结构特征，对于防治害虫有一定的实际意义。

This thesis points out three conditions of favorable soil-returning volume,and gets the critical water-content coefficient of bed-irrigating sowing, andthinks that water volume, soil—returning in volume and initial soil water contentcoefficient affects differently the course and the result of infiltration, and revealsthe laws of variations of soil moisture content, and shows the different effect onsoil - wedded states of water volume, depth of seed ditch, soil apparent density,soil-covering depth,initial soil moisture content, width of seed ditch and soil-wedding states, and suggests that the soil-wedding state watering after sevendays is use to evaluate the quality of bed-watering seeding.

结果表明灌水量、种沟宽度、回土量和土壤初始含水率对入渗过程和入渗结果存在不同影响；揭示了坐水播种土壤含水率在种沟断面上的变化及其随时间的变化规律，模拟结果还表明了灌水量、种沟深度、土壤容重、覆土厚度、土壤初始含水率、种沟宽度、回土量对土壤湿润状况的影响及确定适宜回土量的三个条件。

He is so friendly and approachable that you can talk to him at any time.

他很友好、平易近人，你随时可以和他交谈。

Summons aptly from the vast chaos of all I have lived through.

发出召唤的时候，希望我的身心都能随时地响应。

All I would keep for myself is the freedomsummons aptly from the vast chaos of all I have lived through.

我想要给自己保留的只是我个人运用材料的自由–即当我生活中历经的一切大混乱发出召唤的时候，希望我的身心都能随时地响应。

And all of this landed-window are ready to be faced to an expanseof the Arabian Sea.

而且全部是落地玻璃窗，随时可以面对着一望无际的阿拉伯海。

As time passes by, the knnwl- edge structure 0f archivist. changes .

档案人员的知识结构随时间的推移而变化。

If a woman loves a man ,she won't put him in her palms ,but in her womb.women's wombs are the warmest.men just come from there.she loves him ,so she put him in the wombs, so he bcomes her part of body.he can hear her breath.she can hear his heartbeat he can loop archly in her womb and cry in her womb.she is willing to protect him with her body,willing to support him.anytime he needs,he can go back into her womb.

女人爱一个男人，不是把他捧在掌心里，而是把他收进子宫里。女人的子宫是最温暖最安全的，男人也不过是从那个地方走出来。她爱他是爱到好像把他藏在子宫里，他是她身体的一部分。他能听到她的呼吸，她也听到他的心跳。他可以顽皮的在她的子宫里翻筋斗，也可以在她的子宫里哭泣。她愿意用身体保护他，愿意为他提供养分。只要他有需要，他随时可以回去她的子宫里。

In your area feel free to contact us ...

在您的地区随时与我们联系，。。。

By incorporating exposures over time, the discriminatory power of predictive models in ARF can be significantly improved.

通过掺入随时间变化的暴露资料，ARF预测模型的区分能力显著得到改善。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。