Their number of teeth is mixed; a bottlenose has 88 teeth, a false killer whale has 44 teeth, and a wholphin has 66.
它们牙齿的数目都是混合的；宽吻海豚有88颗牙齿，伪虎鲸有44颗牙齿，全齿鲸有66颗。
There are two other kinds of research that have thrown some light on the origins of the Native American population; they involve the study of teeth and of languages.
还有另外两种研究对印第安人的起源提供了一些线索；它们包括对牙齿和语言的研究。
"We can rule out that the dogs simply distinguish between the pictures based on a simple cue, such as the sight of teeth," said study author Corsin Muller.
研究作者科辛·穆勒说：“我们可以排除狗只是根据简单的线索来区分图片，比如看到牙齿。”
To clutch its prey, this dragonfish uses sharp rows of teeth that cover even parts of its tongue.
这种龙鱼通常用一排排甚至覆盖了部分舌头的锋利的牙齿来捕获它们的猎物。
These early pterosaurs all had a mouth full of teeth, usually small at the back and larger at the front.
这些早期翼龙嘴里都长满了牙齿，通常来说，小的牙齿长在后面，大的牙齿长在前面。
A removable bridge is best in some cases, particularly if there are a lot of teeth missing.
还有一种活动牙，适合很多病人，特别是缺牙多的病人。
The roots of teeth are absorbed apparently, demonstrating serrated or amputated appearance.
牙根吸收明显，且为锯齿状或截根状吸收。
AIM: to observe the effects on periodontium health after the restoration of teeth with resin.
前言：目的：观察光敏树脂修复后对牙周组织健康的影响。
Surano says the strain of posing for the painting could have triggered an attack of teeth grinding.
苏然诺认为为了作画而保持姿势不变可能引起了磨牙症的发作。
A sprocket (212) includes a hub and a plurality of teeth projecting radially outwardly from the hub.
一个链轮(212)包括一个轮毂和多个从轮毂径向向外突出的齿。
Perhaps at one time, the baring of teeth sometimes apparent in yawning could have been an aggressive act.
或许从前，打哈欠有时明显地露出牙齿可能就是一种挑衅行为。
Instead of teeth to break up the food... owls have a gizzard, a muscular stomach that grinds up the food.
鹰不用牙齿切碎食物，它有一个叫做砂囊的胃，能磨碎食物。
It's good to see photos of La Argentina, showing both rows of teeth in her eager grin and swirling her skirts.
还不错能看到拉·阿珍提娜的照片，她热情的笑着露出上下两排牙齿，并一边旋转着裙摆。
Even their number of teeth is mixed; a bottlenose has 88 teeth, a false killer whale has 44 teeth, and a wholphin has 66.
甚至连它们牙齿的数目都是，宽吻海豚有88颗牙齿，伪虎鲸有44颗牙齿，而鲸豚的牙齿数目是66。
Objective To investigate the application of self-threading pins in the preservative of teeth with large area defects.
目的：探讨自攻自断螺纹钉在大面积缺损牙保存性修复中的应用。
The world's largest shark and largest fish. Its enormous, yellow-spotted body is outfitted with 300 - 350 rows of teeth.
世界上最大的鲨鱼，同时也是最大的鱼类。其带有黄色小斑点的庞大身躯拥有300至350排牙齿。
The ideal rock sample is the conical surface rock sample that can joint crest of teeth in single row drilling experiment.
在单齿圈破岩试验中，理想的岩样是与牙齿齿顶线相贴合的锥面岩样。
Conclusion: it is an ideal method to apply the pre-restoration orthodontics treatment to the patients with loss of teeth.
结论：针对一些缺牙修复条件不足的患者采用先期正畸治疗而后修复是一种较理想的治疗方法。
Biological variations between mandible and maxilla may lead to the more augment of teeth size in maxilla than in mandible.
上下颌骨的生理差异可能导致了上颌牙量的增加大于下颌牙量的增加。
This is an alligator. They have a lot of teeth and spend most of the time in the water. Don't go near these big creatures.
这是短吻鳄。他们有很多牙齿，大部分时间都在水里。不要走近这些庞然大物。
Objective To compare the fracture resistance and fracture modes of teeth restored with four diferent post-and-core systems.
比较纤维桩核系统和金属铸造桩核系统修复后牙体组织的抗折裂强度和折裂模式。
Scientists have known for several years that the condition of teeth and gums is strongly linked to the likelihood of heart problems.
科学家在好几年前就已经发现牙齿和牙龈的健康状况与心脏病发的几率密切相关。
This paper analyzes gear failure resulted by damage of teeth surface and puts forward some methods improving touch strength of gear.
对齿轮齿面损坏造成的齿轮失效进行了分析，并提出了一些提高齿轮接触强度的方法。
The billions of bacteria and other microscopic critters that live in the mouth unquestionably influence the health of teeth and gums.
寄宿于口腔内的数十亿计的细菌和其他微生物无疑影响着牙齿和牙龈的健康。
Methods: 72 teeth with exposed pulps in crown treated by pulpotomy to conserve the vital pulps and promote the growth of roots of teeth.
方法：72例外伤冠折露髓患牙，采用活髓切断术切断冠部牙髓，保留根髓活力，促进牙根发育。
Dentists claimed that massive debt and deficit problems in Ireland have left the country with an increasing number of cases of teeth-grinding.
牙医们反应，爱尔兰的债务危机和赤字问题使得当地的磨牙症呈不断攀升的趋势。
Dentists claimed that massive debt and deficit problems in Ireland have left the country with an increasing number of cases of teeth-grinding.
牙医们反应，爱尔兰的债务危机和赤字问题使得当地的磨牙症呈不断攀升的趋势。
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