在空中

Let it be granted that pure sets are like the cosine function: located nowhere in space and nowhere in particular in time.

但这原则上能够反对那些不纯粹的集合存在在时空中和其成员存在在时空中吗？

Methods Used the critical flicker frequencytest and the cross-out test, we measured 47 female pilot ,who flew in the different airline and executed different transport tasks ,they were measured seven times respectively at the day before the flight ,the third hour, the sixth hour ,the ninth hour, the landing day ,the second day and the third after landing .

采用临界闪光融合频率检测、划消测验等方法，对执行不同航线跨时区运输任务的中国国际航空公司47名男性飞行人员，年龄在27岁～58岁，在飞行前一天、空中飞行3h、6h、9h和落地后当天、第二天、第三天晚上睡觉前进行7次测试。

Even it is so close to him,the captain couldn't know there is a transparent crystalloid floating in the darkness space which is like a piece of glass sinking in a puddle.

即使距离很近，上校也不可能看到那块透明晶体，它飘浮在漆黑的太空中，就如同一块沉在深潭中的玻璃。

He put on first the aerial breeze, then threw over himself light as a flaming mantle, and over this light a covering of water; he surrounded himself with gusts of wind, took light as his lance and shield, and cast himself downward toward the line of danger.

他提出的第一个空中的微风，然后扔在自己轻如燃烧的地幔，并在此轻覆盖的水；他包围自己的阵风风力，光了他的长矛和盾牌，并自诩为对向下行的危险。

The discovery of large birds of prey in flight zone, in the start-up "flight zone bird pest control plan to deal with emergencies," birds of prey to drive away from the airfield at the same time, informed air traffic control departments to remind controllers and flight crew pay attention to the observation of birds.

对发现大型猛禽在飞行区活动，在起动《飞行区鸟害防治应急处置预案》、驱赶猛禽飞离飞行区的同时，及时通报空中管制部门，提醒管制员和飞行机组注意对飞禽的观察。

Topview data show that the Fund in October after a drop shipment, November 4 rebound since the Rizhao Port, taking advantage of strong capital to buy the time difference to win the short, the fund once again play the "air force commander "role, a number of trading days this month, the Fund quickly cashed in on more than 146 million yuan in Rizhao Port.

Topview数据显示，10月份下降后，发货，11月4日以来，日照港反弹基金，利用雄厚的资本优势，以购买时间差赢得短，该基金再次扮演"空中部队指挥官"的角色，一个交易天数本月初，基金迅速兑现在超过1.46亿人民币，在日照港。

Mercedes enterprise BENZ 1909 for Daimler company registered in June as a symbol of car trigeminal star, symbol, water and air on the landing of mechanization. In 1916, it added a circle around in circles, enchase the above four small star, below the Mercedes "conditions apply".

奔驰BENZ 1909年6月申请戴姆勒公司登记了三叉星做为轿车的标志，象征着陆上、水上和空中的机械化。1916年在它的四周加上了一个圆圈，在圆的上方镶嵌了4个小星，下面有梅赛德斯"Mercedes"字样。

Choreographing a fistfight on a tiny catwalk that hovers 200 feet in the air is not an easy feat.

在一条悬在200英尺空中的"T台"上设计打斗动作可不是件容易事。

The Italian air force acrobatic team "Frecce Tricolori"(Tri-colour Arrows) perform a flypast in observance of the 90th anniversary of the end of World War One, over Rome.

在罗马的空中致礼飞行中，意大利空军杂技团表演了"三色箭头"，也就是在天空中留下意大利国旗的绿、白、红三色烟雾，以庆祝一战结束90周年。

The Italian air force acrobatic team,"Frecce Tricolori"(Tri-colour Arrows), leave trails of green, white and red smoke, the colours of the national flag, during a flypast over Rome in observance of the 90th anniversary of the end of World War One.

在罗马的空中致礼飞行中，意大利空军杂技团表演了"三色箭头"，也就是在天空中留下意大利国旗的绿、白、红三色烟雾，以庆祝一战结束90周年。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐