You must set realistic aims and objectives for yourself.

Objective: To investigate ocular CT manifestations after ocular trauma and define the diagnostic value of CT in ocular injury.

目的探讨眼外伤后眼部CT改变，确定CT在眼外伤中的诊断价值。

They haven't set a date for the wedding yet.

他们尚未确定举行婚礼的日期。

They met to finalize the terms of the treaty.

他们会晤确定条约的条款。

'I'm not sure,' she replied evasively.

“我不敢确定。”她躲躲闪闪地答道。

Assign a different colour to each different type of information.

给每类信息分别确定一种颜色。

The success of the system is not in doubt.

这种制度的成功确定无疑。

Has the date of the next meeting been fixed?

下次会议的日期确定了没有？

A date for the meeting has yet to be determined.

会议日期尚待确定。

They tried to buffer themselves against problems and uncertainties.

他们尽力保护自己免受困难和不确定因素的影响。

She shook it to make sure there was nothing inside.

她把它晃了晃，以确定里面没有东西。

The houses were first slated for demolition five years ago.

这些房子在五年前就确定要拆除了。

Any of various small, mostly tailless, extinct flying reptiles of the order Pterosauria that existed during the Jurassic and Cretaceous periods.

翼手龙任一种小型已灭绝的翼龙目的飞行爬行动物，它们绝大多数都没有尾巴，生活在侏罗纪和白垩纪之间的那段时期。

The second hypothesis seems unlikely because large pterosaurs could not have landed in trees without damaging their wings.

第二种看来也不可能，因为大型翼龙不可能降在树上而不伤害它们的翅膀。

So perhaps the smaller pterodactyls had disappeared because the new kid in town, birds, were out-competing them.

所以也许稍小的翼龙消逝是因为鸟这种新生物在生存竞争中战胜了它们。

The first wrongly assumes that the pterosaurs'hind feet resembled a bat's and could serve as hooks by which the animal could hang in preparation for flight.

第一种错误地设想翼龙的后爪象蝙蝠一样，钩子似的挂着为飞行做准备。

Discovery of a new pterosaur from western liaoning, china

辽宁西部翼龙类化石的首次发现

A China-developed Wing Loong-2H unmanned aerial vehicle ( UAV) took a 4.5-hour flight to Mihe township in Gongyi city, one of the most seriously ravaged of Emergency Management said.

应急管理部表示，我国自主研发的翼龙-2H无人机飞行4.5小时抵达河南省巩义市米河镇。该镇是河南省受灾最严重的一个地区。

These conditions gave rise to the dinosaurs, pterosaurs, and early crocodilians.

这些条件，引起了恐龙，翼龙，鳄鱼和早期。

Huanjiang pterosaur fossils, ancient animals of China scholars, in particular pterosaur Studies is a major event.

环江翼龙化石的发现，是中国古动物学界，特别是翼龙研究学的一件大事。

Professor Zheng Xiaoting, from Linyi University in Shandong who also took part in the study, said:' Yi qi lived in the Jurassic, so it was a pioneer in the evolution of flight on the line to birds.

参与该项研究的山东临沂大学的郑晓廷教授说：奇翼龙生活在侏罗纪时代，所以它算是鸟类支系飞翔演化过程中的一个先锋。