retrograde catheterization can be employed in urine collection for analysis, and in pelvis injection of medicines.

1、

conclusion the diagnosis mainly depends on the clinical manifestation, urine test, b-ultrasonography, intravenous urography ( ivu) and ct examination.

结论肾损伤诊断主要依靠临床表现、尿液检查及B超、大剂量造影剂静脉尿路造影及CT检验等。

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2、

there, darwin saw coral and coral islands for the first time.

达尔文在那些地方第一次见到了珊瑚和珊瑚岛。

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3、

the coral reef evolves most in the southern coast of the island.

珊瑚礁在岛的南部沿海发育最好。

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4、

this, at least, is the theory of mr. charles darwin, who thus explains the formation of atolls--a theory superior, in my view, to the one that says these madreporic edifices sit on the summits of mountains or volcanoes submerged a few feet below sea level.

达尔文的学说就是这样，他应用这学说来说明环状珊瑚岛的构成——照我的意思，这学说比那以海面下几米有浮出的山岭或火山的峰顶作为造礁珊瑚的工作基地的学说，较为优越，较为合理。

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5、

it was a lonely place, so much so that word of the outbreak of war in europe had not yet reached it.

这个小珊瑚岛位在印度洋，十分孤寂，还未听到欧洲爆发战争的消息。

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6、

as we approached the island we noticed that it wasn't too busy with tourists, which was fine.

临近珊瑚岛，我们发现游客不是很多，这正好。

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7、

objective: to illustrate the killing effects of avermectin on leptotrombidium deliense on tropical coral islands.

目的：观察生物杀螨剂阿维菌素在热带珊瑚岛上对地里纤恙螨成虫杀灭效果。

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8、

these islands are coral formations.

这些小群岛全是珊瑚岛。

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9、

most of the world's coral islands are in the pacific ocean.

大部分的珊瑚岛都集中在太平洋地区。

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10、

large white heron of florida and the florida keys.

佛罗里达和佛罗里达南部珊瑚岛群的大型白色鹭。

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11、

a group of volcanic and coral islands in the central pacific.

太平洋中部的一组火山岛和珊瑚岛。

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12、

vanes can be shown or hidden. circular or rectangular duct can be specified.

可显示或隐藏叶轮。可指定是圆形管或矩形管。

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13、

influence of material parameters on rectangular tube cross section deformation in rotary-draw bending process

材料参数对矩形管绕弯截面变形的影响矩形截面受弯构件变形验算的简化方法

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14、

design in the mandrel land and smoothing the deformation of rectangular tube drawing

矩形管成品拉拔的芯头工作带设计与变形平滑化

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15、

numerical simulation of wrinkling for rotary draw bending process of thin-walled rectangular tube

薄壁矩形管绕弯成形失稳起皱的数值模拟旋转拉伸弯管法

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16、

heat transfer enhancement in rectangular pipe with longitudinal vortex

矩形管内纵向涡强化传热研究

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17、

square and rectangular pipe directly forms to square technology

方矩形管直接成方工艺

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18、

pass design method of indirect forming of rectangular pipe

一种间接成型矩形管的孔型设计方法

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19、

properties characteristic of cold bending rectangular pipes and its application in building trade

冷弯方矩形管的性能特点及其在建筑业中的应用

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20、

forward slip during rolling hot bending rectangular flat tube

轧制热弯矩形管扁坯前滑的研究

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