牙齿

Primitive predaceous North American fish covered with hard scales and having long jaws with needle-like teeth.

北美洲原始的食肉性鱼，体表有硬鳞，长嘴，牙齿呈针状。

The first set of dometic washing tooth products in the world.------haolilai micro-computer tooth instrument , it became the best choice to wash tooth for people .because it completely canceled various worries of tooth and solved the six greateast evil of washing tooth in hospital. It completely absorbed the science result of prehuman. Such as : uesd the most adveanced ultrasonic technology, particular safety frequency of the CHAMPION,design of humanization,super and strong functions,convenient operation. It can compeletly protect tooth health and return your a good tooth,you will feel delightfully fresh in you mouth.!

世界上第一台家用洗牙产品--皓丽来微电脑洗牙仪，完全打消了人们去医院洗牙的种种顾虑，解决了去医院洗牙的六大弊病，成了人们洗牙的最好选择，皓丽来微电脑洗牙仪充分吸收前人科学成果，采用国际最新超声波技术，独特的CHAMPION安全频率，人性化的设计，超强的功能，方便简捷的操作，全心保护您的牙齿健康，还你一口好牙，给你一口清新怡人的口气！

Toothless old people, the repositories of information in a preliterate society, could now be fed and live longer.

而对于掉光了牙齿，却又同时是前文字社会知识宝库的老人而言，现在可以通过喂给他们煮烂的食物而使其活得更久。

In 1950, another premolar was found in Sweden among the materials unearthed from Peking Man Site.

1950年，从瑞典的周口店材料中又发现1枚北京猿人牙齿。

Fault: Missing any tooth other than the first premolar.

故障：遗失任何牙齿以外的第一双尖牙。

The orthographic projection of thread will produce when the axis of thread is vertical to optical axis, which can reflect the real shape and size of thread, but the experiment and calculation show that the spiral line of thread will shield part of the teeth contour in projecting plane, and so to cause a projection with flaw.

当线的轴是垂直的时候，线的正字法发射将会生产对光学的轴，能反映真正的形状和线的大小，但是实验和计算表演线的螺旋形线将会在突出的飞机中保护牙齿等高线的部份和如此用缺点引起发射。

DSPP. After linearized by XhoI and recovery, the plasmid was microinjected into the male pronucleus of the zygotes and the zygotes in good condition were implanted into pseudopregnant mice.

为动态地研究DSPP在牙齿发育、矿化不同阶段的作用，以及对机体其他器官的可能影响，我们首先用显微注射法获得了G0代DSPP转基因小鼠。

An individual's facial appearance is one of their most obvious characteristics and has profound social significance. Tooth movement and proper positioning of the teeth to ensure favorable facial changes and to avoid unfavorable changes should be the goal in the orthodontist's mind.

改善患者颜面美观对矫正医师是很重要的工作，颜面外观是一个人最重要的特质之ㄧ，而且会影响社会人际关系，在矫正医师的观念中必须理解到除了牙齿的移动及适当的排列外，还要注意任何齿列的改变是否会引起不理想的颜面外观改变。

Improving facial esthetics of our patients is of great importance to orthodontists. An individual's facial appearance is one of their most obvious characteristics and has profound social significance. Tooth movement and proper positioning of the teeth to ensure favorable facial changes and to avoid unfavorable changes should be the goal in the orthodontist's mind.

中文摘要改善患者颜面美观对矫正医师是很重要的工作，颜面外观是一个人最重要的特质之ㄧ，而且会影响社会人际关系，在矫正医师的观念中必须理解到除了牙齿的移动及适当的排列外，还要注意任何齿列的改变是否会引起不理想的颜面外观改变。

In our prophase research,we have found that sfrp3 and Wnt5a were expressed in molar.

前期研究发现，在早期牙齿发育阶段，sfrp3和Wnt5a在磨牙间充质中都有表达。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。