Methods: The thickness of enamel and dentin at different positions of 23 upper first and 18 lower first molars were measured by electronic ruler.
方法：用电子测量尺测量23颗上颌第一磨牙和18颗下颌第一磨牙牙合面不同部位牙釉质、牙本质的厚度。
Results Statistically significant difference was detected among two groups in the upper first molar mesial moving, no significant difference was noted in the upper anterior teeth palatal moving.
结果两组上颌第一磨牙近中移动量差异有显著性，而两组上颌前牙腭向位移量差异无显著性。
When you have filled and emptied your lower lungs 8 to 10 times, add the second step to your breathing: Inhale first into your lower lungs as before, and then continue inhaling into your upper chest.
当你进行完8 -10次以下方肺部分进行的呼吸后，将第二步添加到呼吸过程中：首先，和刚才一样用下方的肺吸气，然后，继续吸气，吸入上方胸腔。
General studies comprise the Foundation Course (first year), Advanced Course I (second year) and Advanced Course II (third year) leading to the Certificate of Upper Secondary Education.
综合教育由基础课程(第一年)，高级课程i(第二年)和高级课程II(第三年)组成，最后获得高中教育文凭。
The people of the upper class wore usually gowns made out of silk because they were the only ones who were able to, peasants First Communion Dresses being forbidden to wear or posses them even.
上层社会的人们往往偏爱丝质礼服，因为只有他们拥有此种特权，农民们则无权穿戴或拥有此类服装。
The name comes from the first six keys on the upper left row of letters on the keyboard.
这个名字是从键盘最上面一排左边的头六个键得来的。
You should obviously try to work on the right-most items as much as possible while giving attention to the upper right quadrant first.
而且你应该尽可能地关注右上象限的任务，并优先处理它们。
The more times you can fend off the question, the less likely you will have to be the one to give the first number. This works, even if you don't have the upper hand and you really need the job.
你越是能避开这个问题，那你就越不可能成为第一个给出数字的人。
The first switch in the chassis is normally located in the upper left of the blade chassis, just below the power plug.
机架中的第一个交换机通常放在刀片服务器机架的左上方，就在电源插头的下面。
This function first parses the second word from the option (the first word being the first name), changes it to upper case, and then compares the two strings and returns a -1, 1, or 0.
该函数首先解析选项的第二个词(第一个词是名字)，将它变为大写形式，然后比较两个字符串，并返回-1、1或0。
A Chinese girl has become the first person born without an upper jaw bone to have full successful reconstructive surgery, according to reports from China.
一名中国女孩儿成了上颌骨缺失的第一人。据来自中国的报道，她接受的骨骼再造手术获得了圆满成功。
Use the first icon in the toolbar in the upper-right corner to toggle between tree and simple layouts.
使用右上角的工具栏的第一个按钮可以在树型布局和简单布局之间切换。
Of the first variety, injecting sunlight-reflecting sulphate aerosols into the upper atmosphere is a relatively cheap, easy and quick option.
对于第一种方式，在上层大气注入阳光反射硫盐酸气溶胶是一个相对便宜、简单、快捷的选择。
Connect the first data flow operator to the second using the green check mark in the upper right corner to make a conditional connection.
使用右上角的绿色对勾把第一个数据流操作符连接到第二个，这会建立有条件连接。
Maradona was speaking publicly for the first time since he was bitten on the upper lip by his pet dog.
这是马拉多纳自被其宠物狗咬伤上嘴唇以来首次公开接受访问。
Clearly the first option above is only viable for the most trivial of databases because it puts an obvious upper-bound on the size of the database that you can practically use.
很明显，上面所述的第一种方法只能用于最普通的数据库，因为它对能够在实际中使用的数据库的规模有很明显的上限。
One close-up shows orange flames and black smoke pouring from the upper floors of the north tower, the first hit by a hijacked plane.
一个特写桔黄色的火焰和黑烟从北边的塔的楼上泄出，这是第一架被支持的飞机。
The first message are the Numbers one to ten in binary notation, located in the upper center.
第一个信息是数字一到十的双重标记，它位于球体的上中心。
The computer screen interface first presents the past week's recipes in a horizontal bar, with the average health score displayed in the upper right.
电脑屏幕界面首先在水平条呈现上个星期的食谱，还在右上角显示平均健康指数。
First, the tag defines the upper limit on the number of clauses that may be combined to form a query.
首先，标记定义了可组合在一起形成一个查询的子句数量的上限。
The additional upper state is created by a first quantum well adjacent to the injection barrier.
新增高能态是通过注入式势垒旁第一个量子阱来创建的。
The project’s first plantings occurred in 2008 in the upper region of Mount Kenya and in an area close to Nairobi.
该项目的首期植树活动于2008年开展，指数地点为肯尼亚山的高海拔地区和靠近首都内罗毕的地区。
Some values are all upper case, some are all lower case, and some are mixed case (" First character upper case ").
一些值是全大写的，一些是全小写的，其他是大小写混合的(首字母大写)。
The first plane hit the World Trade Center's north tower at 8:45, ripping through the building's skin and setting its upper floors ablaze.
第一架飞机于8:45撞击了世贸中心北楼。 飞机撕裂开这幢大厦后，在大厦上部燃起熊熊大火。
The eclipse was first seen Tuesday over Jerusalem, where the sun appeared to have taken a large bit out of its upper right section.
本周二的这次日偏食始于耶路撒冷，当时太阳的右上角被咬去了一大块。
The eclipse was first seen Tuesday over Jerusalem, where the sun appeared to have taken a large bit out of its upper right section.
本周二的这次日偏食始于耶路撒冷，当时太阳的右上角被咬去了一大块。
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