They are tried first with short distances, which are then gradually increased. 佚名.神奇的知识之书.
The ability of the eye to adjust itself to varying distances is called accommodation. 伯莎M.克拉克.科学通论.
I myself caught one 370 miles from the coast of Africa, and have heard of others caught at greater distances. 查尔斯·达尔文.物种起源.
Up to this time my troops had been kept in supporting distances of each other, as far as the nature of the country would admit. 尤利西斯·格兰特.U．S．格兰特的个人回忆录.
Locusts are sometimes blown to great distances from the land. 查尔斯·达尔文.物种起源.
Lifting heavy weights through great distances is not the only way in which work is done. 伯莎M.克拉克.科学通论.
By this means the marks may be impressed on the paper at distances of 400 miles or more apart. 弗雷德里克·科利尔·贝克维尔.伟大的事实.
Every foot of road had to be guarded by troops stationed at convenient distances apart. 尤利西斯·格兰特.U．S．格兰特的个人回忆录.
It was at first supposed that the friction against the pipes would oppose so much resistance to the passage of the gas, that it could not be transmitted to great distances. 弗雷德里克·科利尔·贝克维尔.伟大的事实.
By means of this method one high-class clock, usually in an astronomical observatory, compels a number of other clocks at considerable distances to keep time with it. 佚名.神奇的知识之书.
Sir Percival usually takes Isaac of York for the short distances. 威尔基·柯林斯.白衣女人.
In the latter case, pipes closely wrapped with a non-conducting material carry steam long distances underground to heat remote buildings. 伯莎M.克拉克.科学通论.
The case is the same, as when we correct the different sentiments of virtue, which proceed from its different distances from ourselves. 戴维·休谟.人性论.
About it at great distances circle not only our earth, but certain kindred bodies called the planets. 赫伯特·乔治·威尔斯.世界史纲.
Within there, where the light was, was the man who as to both distances could give him up to ruin. 查尔斯·狄更斯.我们共同的朋友.
Distances traveled by human feet are also estimated by hours and minutes, though I do not know what the base of the calculation is. 马克·吐温.傻子出国记.
All distances in the East are measured by hours, not miles. 马克·吐温.傻子出国记.
These friends, like astronomical distances, are only to be spoken of in the very largest figures. 查尔斯·狄更斯.我们共同的朋友.
Many irrigating systems use centrifugal pumps to force water over long distances and to supply it in quantities sufficient for vast agricultural needs. 伯莎M.克拉克.科学通论.
Orders came from greater distances. 佚名.神奇的知识之书.
The relative thickness of the rims is perhaps designed to express the relative distances of the planets. 柏拉图.理想国.
She leaned forward, clasping her knee in her thin hands, and looking away from him into remote dark distances. 伊迪丝·华顿.纯真年代.
The gunboats ran up close under the bluffs, delivering their fire in return at short distances, probably without much effect. 尤利西斯·格兰特.U．S．格兰特的个人回忆录.
When used as linings of cloaks the black tuft from the tail is sewed to the skin at irregular distances. 佚名.神奇的知识之书.
All the distances and all the dimensions about Versailles are vast. 马克·吐温.傻子出国记.
It embodied, for the practical purpose of transmitting articulate speech to distances, the union of the two great forces,--sound and electricity. 威廉·亨利·杜利特.世纪发明.
In the dormitories I observed loopholes at certain distances all along just under the ceiling, which I thought judiciously placed for change of air. 本杰明·富兰克林.富兰克林自传.
I could give many facts showing how frequently birds of many kinds are blown by gales to vast distances across the ocean. 查尔斯·达尔文.物种起源.
It was a stout pale pudding, heavy and flabby, and with great flat raisins in it, stuck in whole at wide distances apart. 查尔斯·狄更斯.大卫·科波菲尔.
The fashionable world--tremendous orb, nearly five miles round--is in full swing, and the solar system works respectfully at its appointed distances. 查尔斯·狄更斯.荒凉山庄.