在较高的法向应力下,含起伏角较高齿形节理面的非贯通节理岩体可能出现破坏模式II(先张拉后剪切破坏模式)。
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方法:3具新鲜离体下颌骨标本,利用牙托粉和下颌骨,根据Hanau牙合架原理制备对牙合模型,在生物材料试验机上进行验证。
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She said she hesitated to encourage parents to pursue baby tooth banking.
她说,她并不鼓励家长们将孩子的乳齿存入齿库.
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The following picture shows approximately when each baby tooth should erupt.
以下的图片显示每一个婴儿大约应该长牙的(位置).
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She falls carelessly, touch two front tooth, deeply worried ceaselessly to quiver.
她不慎跌倒, 碰掉两只门牙, 焦灼得不断发抖.
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On the third visit, I'll extract the remaining front tooth and insert the denture.
第三次复诊, 拔除前牙,戴暂时假牙.
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Front tooth touched a very small not carefully, but be touched very ache, how to do?
门牙不小心碰掉了很小的一块, 可是一碰就很疼, 怎么办?
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Plain tracer : With plastic or natural wood handle ; Metal Saw Tooth and economical using.
金属齿式描线轮: 塑柄或原色木柄,轮体部分为金属锯齿,经济实用.
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通过校准,锯齿波的幅值变化量可控制在很小范围内.
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The saw tooth-type cotton gin has broken down, can you find someone to fix it?
车间的轧棉机坏了, 你能不能找人修理一下 呢 .
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Results: New prefabricated post-and core could produce a close connection with tooth.
结果: 新型预成桩核能与牙体紧密结合.
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根据左侧第1上臼齿的磨损情况,将大蹄蝠划分为7个年龄组。
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