Objective To evaluate the clinical effect of preserving the lower first molar with complete vertical fracture.
目的评价保存治疗纵折下颌第一磨牙的临床疗效。
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。
The first real clue came when archaeologists discovered that skeletons of higher-status individuals tended to be several centimeters taller than those of people of lower states.
考古学家发现，地位较高的人的骨架往往比地位较低的人高几厘米，这是第一个真正的线索。
Children not as liked by their first-grade peers had slightly lower grades in fifth grade, while those with higher social acceptance had higher grades.
在一年级时不太受同伴欢迎的孩子，读五年级时的成绩略低，而社交接受度较高的孩子会取得更好的成绩。
India green for the lower grounds, rosa levanto for the first and cement flooring for the 2nd floor.
低处为印度绿，一楼为西施红，二楼为水泥地面。
Solution: Design an example graphical interface first, so that interface requirements for the lower levels are known before they are written.
解决方案：首先设计一个示例图形界面，则低层的界面在写之前就大概知道该是什么样了。
Before turning to the mat for help, you first have to determine whether your lower back pain is in fact due to S-I dysfunction.
在寻求瑜伽帮助之前，你首先要确定你的下背疼痛究竟是否由骶髂功能紊乱造成。
The Ozawa Girls – as the media inevitably nicknamed them – have lifted female representation in the lower house to over 10% for the first time.
“小则姑娘”们——媒体难免给她们取了这样的绰号——第一次使众议院的女代表人数超过10%。
"We aim to be, wherever possible, the first to lower prices and the last to raise them," says a spokeswoman.
“无论什么情况下，我们的目标都是第一个降价，最后一个升价，”它的发言人说。
The company will place a corpse in a biodegradable bag and then lower the body feet first into a cylindrical hole about 76.2cm in diameter and 2.89m deep.
该公司称，他们将首先用一个可降解的袋子把尸体包裹起来，然后将尸体自下而上徐徐放入一个直径为76.2厘米、深度为2.89米的圆柱形洞里。
So now I have to first lower this velvet so that we get a nice dark background.
咱们先把绒布放下，这块黑布做背景太完美了。
Just know that you will come begging to the market at first (poor conditions, lower pay) but if you establish yourself you will have options to manage your time better.
你要知道，在开始时需要屈服于市场(很差的条件，低收入)，但是如果你逐渐树立了自己的地位，那么就能够更好地安排自己的时间。
Yet electricity production in the first quarter was 4% lower than it had been a year earlier; in comparison, production grew by 16% in the year to the first quarter of 2008.
然而第一季度的电产量比一年之前低4%；比较起来，总产量截至2008年第一季度增长了16%。
In 2003 the lower house of the advisory council was freely elected for the first time.
2003年咨询委员会的下院第一次实行自由选举。
Oleg Morozov is the first deputy speaker of the Russian Duma, the lower house of parliament.
俄罗斯议院下院杜马的第一副发言人莫里兹说。
British-based PV Crystalox said on Wednesday that pricing pressure would continue into the second half of 2009, with average pricing expected to be significantly lower than in the first half.
设在英国的光伏产业公司Crystalox周三表示，定价压力将持续到2009年下半年，预计平均售价将明显低于上半年。
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。
There is almost no difference between the lower case first setting and the off setting, so typically there is no need to use the lower case first setting.
在小写优先设置和关闭这个属性之间几乎没有任何差异，所以通常不需要使用小写优先设置。
In the first column of output, you see the first character is an 'l' (lower-case l) for symbolic links.
在输出的第一列中，您可以看到，符号链接的第一个字符是‘l’(小写l)。
Allow the team members to be assigned to two projects, but ensure the second project is of lower priority than the first.
将团队成员分配到两个项目中，但确保第二个项目的优先级比第一个项目低。
The first age at which performance was significantly lower than the peak scores was 27 – for three tests of reasoning, speed of thought and spatial visualisation.
从逻辑推理、反应速度和空间想象力三项测试的结果来看，调查对象的得分首次明显低于之前的最高水平是在27岁。
When the data first enters the program, or later by a lower-level routine that actually uses the data?
是在数据最初进入程序时，或者是在一个低层次的例程在实际使用这些数据时？
The weight assigned to this third word may be higher or lower than that assigned to the first word.
为此单词分配的权重可以高于或低于分配给第一个单词的权重。
But first-time buyers are not benefiting from these lower interest rates.
但是首次购房者并没有从低利率中获益。
But first-time buyers are not benefiting from these lower interest rates.
但是首次购房者并没有从低利率中获益。
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