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- Jaws must be undershot.The incisors of the lower jaw should protrude over the upper incisors. 咬合必须是下颌突出式咬合，就是说，下颌的门牙必须比上颌的门牙向前突出一些。
- Mouth --A bite in which the outer side of the lower incisors touches the inner side of the upper incisors. 嘴：咬合为下颚的门牙在外，上颚的门牙在内，上牙紧贴下牙。
- Relative large gnawing animals,distinguished from rodents by having two pairs of upper incisors specialized for gnawing. 与大型啮齿动物有关，与啮齿动物的区别是有两对特别适于撕咬的上门牙。
- A malocclusion of the teeth in which the front upper incisor and canine teeth project over the lower. （牙齿）覆咬合牙齿的咬合不正，其中上前切牙和犬齿突出盖在下牙上
- An undershot bite in which two or more of the upper incisors lose contact with two or more of the lower incisors is a disqualification. 下颚突出式咬和如果有两颗或两颗以上的上门牙无法与下门牙接触，属于失格。
- Any of various plant-eating mammals having fully furred feet and two pairs of upper incisors and belonging to the order Lagomorpha,which includes the rabbits,hares,and pikas. 兔形目动物，任一种以植物为食的哺乳动物，足部长满毛，长有两排上门齿，属于兔形目，包括家兔、野兔和鼠兔。
- Any of various plant-eating mammals having fully furred feet and two pairs of upper incisors and belonging to the order Lagomorpha, which includes the rabbits, hares, and pikas. 兔形目动物任一种以植物为食的哺乳动物，足部长满毛，长有两排上门齿，属于兔形目，包括家兔、野兔和鼠兔
- Any of various plant - eating mammals having fully furred feet and two pairs of upper incisors and belonging to the order Lagomorpha,which includes the rabbits,hares,and pikas. 兔形目动物任一种以植物为食的哺乳动物，足部长满毛，长有两排上门齿，属于兔形目，包括家兔、野兔和鼠兔
- Conclusions: Historically, landmark and report measurements in esophagoscopy hae been measured and standardized from the upper incisor. 结论：从上切牙到食道镜检查的界标和所报道的测量方法在以往的研究中已经被测量和标准化。
- There was no statistical difference in SAN,SNB,SN MP,NP FH and ANB but distinct statistical difference remained in the position of the upper incisor between the two types(P<0.001). 两类错牙合的SNA、SNB、ANB、SN MP、NP FH等间的差异无统计学意义 ;上切牙位置在两类错牙合间存在明显的差异 (P <0 .;0 0 1)。
- Hertz's resecting forceps for upper incisors 赫兹(氏)上颌切牙切除钳
- common house rats; upper incisors have a beveled edge. 常见的家鼠；上部门牙有一斜面。
- common house rats whose upper incisors have a beveled edge 常见的家鼠；上部门牙有一斜面
- Tears are secreted by an organ under the upper eyelid. 眼泪由上眼睑下面的器官分泌。
- I'd like a room on the upper level. 我想要楼上的房间。
- The study of the changes of upper incisor using MBT to retraction MBT矫治技术内收上颌切牙位置变化的研究
- My hometown is in the upper reaches of the river. 我的家乡在这条河的上游地区。
- He locked his diary in the upper drawer. 他把日记锁在上层抽屉里。
- He have tattoo the name "marlene" on his upper arm. 他将＂玛琳＂这个名字刺在臂的上方。
- A band or badge worn around the upper arm. 臂章戴在上臂的绑带或徽章
