本文仅就车辆在平面交叉口前的平均等待时间和平均车辆数来评价交叉口的运行效率。
This paper is to evaluate the operational efficiency of intersections only in terms of average waiting time and average number of vehicles that have to wait before the at-grade intersections.
爸爸把碗柜放在马车的座位下面，又在柜子前放了满满一口袋的谷子作为马的食物。
Father put the cupboard under the wagon-seat, and in front of it and he laid a sack of corn for the horses.
爸爸把碗柜放在马车的座位下面，又在柜子前放了满满一口袋的谷子作为马的食物。
Pa put the cupboard under the wagon-seat, and in front of it he laid a sack of corn for the horses.
每个交叉口都设有两个交通信号灯，即使是腿长步子快的人要在两个灯变化前走到另一边，那也算幸运的。
Those with a quick pace and long legs will be lucky if they get to the other side with the changing of two traffic lights that are placed at every intersection.
即使是在5年前经济状况良好的时候，那些毕业时没有拿到像5级三一口语这样证书的孩子，只有45%能在来年找到工作。
Even when the economy was doing well in the middle of this decade, only 45% of children leaving school without a qualification such as five good GCSEs were employed a year later.
他在各种各样的小组里做简短的讲话，其中有一小部分人在织毯子，而另一头有一个野营灶，四个女人站在两口巨大的金属锅前。
He's making small speeches to various groups, a few are weaving baskets, and over to one side there's an outdoor cooker where four women stand over two large metal pots.
约翰·莫特森的猫从空隙处慢慢走了过来。它懒洋洋地跳到平台上，端然而坐，用前掌淡定地擦了擦它深红色的鼻口，然后高贵地从房间走开。
From the opening crawled John Mortonson's cat, which lazily leapt to the floor, sat up, tranquilly wiped its crimson muzzle with a forepaw, then walked with dignity from the room.
2006年11月13日—东亚经济在2006年前三个季度的快速增长，大约帮助2500万人口摆脱了严重的贫困。
November 13, 2006-strong economic growth in East Asia helped lift some 25 million people out of severe poverty in the first three quarters of 2006.
如图，在苏尼翁海岬约2500年前的海神庙上空，月亮咬了太阳一小口。
Above, the moon takes a "bite" out of the sun's disk over the roughly 2, 500-year-old temple of Poseidon in Cape Sounion.
拥有3亿人口的美国，相比较40年前2亿人口时，空气和水都更清洁干净了。
With a population of 300 million, the United States has cleaner air and water now than 40 years ago, when the population was 200 million.
20年前当达达布难民营启用的时候，一家五口难民住的范围有大约一栋小房子那么大。
When Dadaab opened two decades ago, a family of five lived on a plot of land that was about the same area as a small house.
两个礼拜前，当我在楼下吃早餐，用汤匙舀着最后一口米粥时，听到楼上的洗手间里传来一声响亮的撞击声。
Two weeks ago while I was downstairs having my breakfast spooning the last of my rice porridge I heard a loud crash coming from the upstairs bathroom.
本产品适用于焊接前坡口及焊接后缝焊表面的修磨，金属薄板及小型钢的切割，金属及大理石表面的修磨，除锈抛光。
This product is suitable for fixing and throwing light whet superficially after welding and before it in metals lamella and small scaled steels incise metals and marbles.
约公元前2000年，从现在的荷兰和莱茵兰地区来了宽口陶器人。
At about 2000 BC the Beaker Folk arrived from the areas now known as Holland and Rhineland.
其腹面口区具二环围口纤毛列及一口前纤毛列；背面具一列背刚毛；腹面纤毛列的数目可发生较大变动。
There are two circumoral ciliarvrows and a preoral ciliary row on the buccal region and a dorsal row of bristles.
还有一个习俗是对着镜子吃苹果，以召唤灵魂伴侣的形象，让他或她在结束前请求吃那最后一口。
Another tradition involved eating an apple in front of a mirror to conjure the image of one's soul mate, just in time for him or her to ask for the last bite.
如果我们不一口气急步跑上去，我们绝不能在傍晚前再回到我们的营地，且绝不能在明晨之前下到我们那停放在木屋处的车子，较。
Unless we make a run up there, double-time, we'll never make it down again to our camp before nightfall and never.
如果确定有前卤存在，应该将前卤和上颌窦口之间的间隔切除，使两者相通。
In cases where the posterior fontanel is identified, the division between the natural ostium and the fontanel should be resected to allow free communication between the two.
另一种是利用能够表达交叉口转向限制和交叉口延误的存储结构——扩展的前向关联边结构，直接存储路网。
The other one is to straight store road network with the generalized forward star structure, which can represent turn restrictions and intersection delays.
他们走过妖怪用魔法笼罩着的森林，穿过荒凉的原野，来到一口古井前。
They walked beyond the sprite's enchanted woods, across desolate plains, until they came to an ancient well.
纤毛虫最重要的3个类群为下毛目、肾形目和前口目，其中又以下毛目种类最丰富。
The 3 most important groups of soil ciliates were Hypotrichida, Colpodida and Prostomatida, among which Hypotrichida had the greatest richness of species.
祖父走到祖母的棺木前，颤抖地吸了一口气，然后开始放声歌唱。
Grandpa stepped up to my grandmother's casket and, taking a shaky breath, he began to sing to her.
结果：在观察到二尖瓣口左房侧负向血流的同时，在其左房的相对面可测到前向性血流。
RESULTS: the reverse flow were detected at the mitral valve orifice of left atrium, at the opposite of which in left atrium the front flow were also detected.
正在为其他运动员煎牛排的另一名厨师听说刘翔来了，立刻停下手头还没有煎熟的牛排，换上另一口锅，然后往锅里放上一片与前一锅形状不一样的牛排，翻煎起来。
One chef, who was preparing fried beef steak for other athletes, immediately stopped his work and started to cook a different steak in another pan, once he heard that Liu Xiang was coming.
正在为其他运动员煎牛排的另一名厨师听说刘翔来了，立刻停下手头还没有煎熟的牛排，换上另一口锅，然后往锅里放上一片与前一锅形状不一样的牛排，翻煎起来。
One chef, who was preparing fried beef steak for other athletes, immediately stopped his work and started to cook a different steak in another pan, once he heard that Liu Xiang was coming.
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