Some new progresses of the research methods are summarized from the following three aspects: ( 1) to determine the surface erosion rates and surface uplifting rates of the mountains by measuring in situ produced cosmogenic nuclide;

1、

The Apatite fission track analysis, the deposition erosion process analysis and the cosmogenic nuclide analysis are introduced as the three new advancing methods on the recovery of the thickness of eroded strata in basin in this paper.

主要介绍了磷灰石裂变径迹分析法、沉积波动过程分析法和宇宙成因核素分析法等3种恢复和计算地层剥蚀量的新方法。

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2、

Application of in situ terrestrial Cosmogenic Nuclide ( tcn) to the study of relationship between surface processes and tectonic activity

陆地原位宇宙成因核素（TCN）在地表过程与构造活动关系研究中的应用

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3、

Application and models of Cosmogenic Nuclide~ ( 10) be in marginal sea research

~（10）Be在大洋边缘海洋学中的应用及模型

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4、

Theory of Cosmogenic Nuclide Surface Exposure Dating and Its Applications in Geosciences

宇宙成因核素测年方法及其在地球科学中的应用

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5、

Application of cosmogenic nuclide~ ( 10) Be in the earth sciences

宇宙成因核素~（10）Be在地学研究中的应用

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6、

one leaf fell after the other: the sloes only stood full of fruit, which set one's teeth on edge.

叶子在簌簌地往下掉。只有山楂结着果实，酸得使牙齿都要脱落。

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7、

Probe into the causation of failures in repairing bad fixed artificial tooth

探讨不良固定义齿修复失败原因

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8、

86 cases were added artificial tooth to removable partial dentures.

在部分活动义齿上加牙86例。

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9、

Initial study of the combined ability of artificial tooth and resin-injection base

人工牙与注塑基托结合力的初步研究

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10、

Analysis of the artificial tooth repair in elderly people

老年人缺牙修复情况的分析研究

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11、

Clinical Application of Artificial Tooth Implantation Technique in Molar Area

磨牙区人工种植牙修复技术的临床应用研究

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12、

ESR characteristics of irradiated artificial tooth materials in accident dose range

辐射事故剂量范围照射后塑料假牙材料的顺磁共振特性

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13、

The upper and lower jaws possess straight tooth rows and the jaw arches are almost rectangular in shape.

上、下颌具有直的齿列，而颌弓几乎呈直角形。

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14、

If either the number of sun or ring gear is not multiple of planet gear, system will run effectively, with lower impaction of tooth mesh in and out.

行星轮与内齿圈齿数不为行星轮个数的整数被时，轮齿的啮入、啮出对系统的冲击小，系统的效率高。

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15、

Japan If it is a lower baby tooth, throw it up onto the roof; and if it is an upper tooth, throw it underneath the 'en-no-shita' ( the lower portion below the floor of a Japanese house).

在日本，如果掉的是下牙，就扔到房顶上去；如果是上牙，就放在外廊地板下面。

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16、

Steel tooth bit can increase the bit's stability and lower the tooth impact load, and enhance its wear resistance.

钢齿牙轮钻头增强了工作的平稳性，降低了牙齿的冲击载荷，使牙轮钻头的耐磨性能得到提高；

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17、

The results show that in the case of the same cutting resistance, pick-shaped teeth enjoys advantages over knife-shaped teeth, as a result of it better combined performances, such as freedom of fragment, the lower tooth cost and wear-proof.

结果表明：在截割阻力相同的情况下，镐形齿具有不易被击碎、齿耗低、耐磨等优点，其综合性能优于刀形齿。

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18、

It is done so that the upper tooth grows healthy downwards, while the lower tooth upwards.

这样是为了让上牙向下长，下牙向上长。

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19、

In Japan, children throw a lower baby tooth up onto the roof so the next tooth grows healthily upwards;

在日本，孩子会把下齿的乳牙放到房顶上，这样的话下颗牙将会长得结结实实；

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20、

USA A child puts the baby tooth under his pillow before going to bed.

在美国，孩子们在睡觉前把掉了的牙放在枕头下面。

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