一次

To study the analysis method of samples including a combination of dimethylformamide, undecane and butanone in the air of workshop.

［目的］研究工作场所环境空气中二甲基甲酰胺、十一烷和丁酮混合物一次吸附、一次分离的定量分析方法。

A colleague of mine is married to a thrifty Frenchman who waits at least two months before changing razor blades. He has gone as long as six months. When he does change blades, it feels 'like a warm knife through butter,' says Jean-Philippe Masson, 36 years old.

我 的一位同事嫁给了一个节俭的法国人，他至少等两个月才换一次剃须刀刀片，最长六个月才换一次刀片。36 岁的让-菲利普马松(Jean-Philippe Masson)说，当他换完刀片后，刮胡子的感觉"就像热刀子切开黄油一般顺畅"如果你每周都。

A manager who own a bath center of, he said that he opened the Bath Center for 4 years, but he never rub duwm for his father and did not give a foot to his mother. He said he returned home after the evening, when he put his father's hand and watched over one full of callosity's hand, he tears.

一个开洗浴中心的总经理，他说他开了四年的洗浴中心，没有给爸爸做过一次按摩，没有给妈妈做过一次足底，他说他晚上回家之后，当他把他父亲的手拿过来一看，满手的老茧，他流泪了。

The quadrille had been most perfect, and it was evident there was a great demand for a repetition, Carmela alone objecting to it, but the Count of San-Felice besought his daughter so earnestly, that she acceded.

那一次的四对舞跳得非常成功，自然大家热烈地要求再来一次。只有卡美拉一个人表示反对，但圣费里斯伯爵对他女儿的要求太恳切了，她终于也同意了。

"Making use of the newly invented brass cartridge, he assembled a cluster of 10 barrel s, each of which was fired and reloaded during rotation by a crank."

他把新发明的铜质子弹用在一种十管集束枪，摇动手柄使之旋转时，每完全旋转一次，每个枪管就装弹并射击一次。

"Making use of the newly invented brass cartridge, he assemble d a cluster of 10 barrels, each of which was fired and reloaded during rotation by a crank."

他把新发明的铜质子弹用在一种十管集束枪，摇动手柄使之旋转时，每完全旋转一次，每个枪管就装弹并射击一次。

"Making use of the newly invent ed brass cartridge, he assembled a cluster of 10 barrels, each of which was fired and reloaded during rotation by a crank."

他把新发明的铜质子弹用在一种十管集束枪，摇动手柄使之旋转时，每完全旋转一次，每个枪管就装弹并射击一次。

To mark the 50th anniversary of his first ascent of Piz Badile, Cassin climbed his route again step-by-step. However, no press had arrived in time to cover the event. So four days later, Cassin, then 78, climbed Piz Badile again, this time with a Swedish journalist there to report it.

为了庆祝第一次攀登巴戴尔峰成功50周年纪念，卡森一步一脚印重登这座山，但所有媒体都来不及采访，因此，四天后，当时已78高龄的卡森再爬一次巴戴尔峰，这回有位瑞士记者在场采访。

Among its 70 decrees were a condemnation of two religious sects, the Cathari and the Waldenses; a confession of faith containing, for the first time, a definition of transubstantiation; an order forbidding the foundation of new monastic orders; a requirement that all members of the Western church confess and communicate at least once a year; and arrangements for the calling of a new Crusade.

在其70个法令，谴责两个教派，卡塔利和瓦勒度派；招供的信仰载，这是第一次，一个定义陷于变体说；一项命令，禁止该基金会的新寺院的命令；一项要求所有成员西方教会忏悔和沟通，每年至少举行一次；安排，为呼唤一个新的十字军东征。

The medical mission to visit Linger also added one, easy-Xi Xiang Huafeng a brief introduction about later, we began to busy to move to the living room to room, game consoles, in an instant to see Yi Xi kind of expression does not Linger very complex and very much perplexed also a ray of light penetration, Meng Fei holding Linger went and sat down on the sofa, Yang month and henny sat next to Owen Xiang Yi Xi, and let him pretend to play games, the house Light colors and subtly arranged, the game disc into the CD-ROM then, once again playing, Meng Fei, and Linger's parents obviously felt her change into the eyes of a long break away from the embrace of Meng Fei walked before game stopped father, Owen Cheung of Warcraft her remarks were translated into sound, Daimon, how are you?

去探访灵儿的医务团又多加了一位，易夕简单介绍了一下华丰翔之后，大家开始忙碌着把房里的游戏机搬到客厅来，在瞬间易夕看见灵儿不样的表情，很复杂很迷惘也透了一线光亮，孟菲抱着灵儿走到沙发上坐了下来，杨晓月和henny也坐在旁边，华丰翔让易夕和他一起假装要玩游戏，屋里的光线布置成暗暗的色调，游戏碟随即放入光盘中，一次又一次播放，孟菲和灵儿的父母明显感觉到她的改变，长时间的眼神投入到挣脱孟菲的怀抱走到游戏机前叫住爸爸，华丰翔把魔兽对她说的话也转变成声音，魔灵，你好吗？

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。