距的

For most lenses this condition is satisfied at about 100 times the focal length.

对多数镜头而言，大约100倍焦距的物距时，入射光满足这一条件。

For most le es this condition is satisfied at about 100 times the focal length.

对多数镜头而言，大约100倍焦距的物距时，入射光满足这一条件。

ESO 418-008 is 56 million light-years from Earth in the southern constellation Fornax.

ESO 418-008处于距地球56，000，000光年的天炉座中。

The Peking Man cave piles up thick more than 40 rices in layer, according to to the Peking Man skeleton fossil, stone implement, use the research of fire historic relic etc., archeologists think that the Peking Man lives about at be apart from now from 70 ten thousand yearses to 20 ten thousand yearses.

北京人洞穴堆积层厚40多米，根据对北京人骨骼化石、石器、用火遗迹等方面的研究，考古学家们认为北京人大约生活在距今70万年到20万年。

In this thesis, we discuss several problems which exist to qualitative theory of the functional differential equation, within which we develop further two important theories, so-called the 3/2 - stability theory and the distribution of zeros of solutions of the functional differential equation.

本文中，我们对泛函微分方程定性研究中存在的若干理论问题进行探讨，对其中两个重要问题即3/2—稳定性理论和零点距估计问题，作了进一步推广。

Objective To investigate the association of embryo transfer distance from the fundus with the clinical pregnancy rate.

目的 研究胚胎移植内管尖距宫腔基底距离与妊娠率之间的关系。

Starting from the Gauss forward interpolation formula, the EVERETT interpolation formula is led in the differential form.

本文从高斯向前插值公式出发，导出了等距节点插值的EVERETT差分公式。

The zeba,gemsbok,and wildebeest etun now,havin g summeed in the lUsh gasSlandS of owambo landsouthwest of the pak.Etosha lieS 500 kilometes noth of Namibias capital.Windhoek,and can be eached most easily by ca.

斑马、好望角大羚羊和牛羚在公园西南部茂盛的奥旺姆波草原消暑后，现在也返回托沙位于距纳米比亚首都温得和克以北五百公里处，乘汽车到达此地最为方便。

It have got a good tension strength,stable gnarl pitch,lower noise,small liberation,long life,excellent performance.

该系列履带采用了国际先进的生产技术，抗拉强度大，节距稳定性能好，噪音低，震动小，寿命长，性能优越。

Seven metres in front of the goal is the penalty line.

门前还有一距球门7米的罚球线。

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。