As a resul t, nacre thickness is sometimes just a cosmetic layer t hat can wear thin over time.
所以真珠质的厚度就像脸上化妆品，不久就会磨薄了。
The method in this paper, which can be used to calculate the interior sound field of arbitrary-shaped closed thin shell (equal or unequal thickness), suits a large scope.
本文所提出的这一方法适用面广，可以求出任意形状封闭薄壳(等厚度或不等厚度)的内部声场。
In practice, the selected interval thickness is usually a compromise between the need for a thin interval to maximize the resolution and a thick interval to minimize the error.
为保证最大分辨率必须选用薄层，为使误差最小却须选用厚层，实际上通常选择介于两者之间的最佳厚度。
Outdoor durability of painting the final project - in the same case, the thin film is more easily eroded than the thickness of the film.
室外涂装工程的最终耐久性-在相同情况下，薄漆膜比厚漆膜更易被侵蚀。
Through choosing the blanking clearance of material in reasonable, just by one die blanking the different thickness of very thin gaskets, the die structure was simple and practical.
通过对材料冲裁间隙的合理选取，只用一副冲模就实现了对厚度不同的超薄垫圈的生产，且模具结构简单、实用。
The introduction of the concept of bellows wall thickness accuracy has the universal significance and reference value for manufacturing technology of other thin wall tube like products.
提出的管坯壁厚精度概念极其控制方法具有普遍性，对于其它薄壁筒形件的制造工艺具有参考作用。
Therefore, the thin films resistance to cleaning coating formed by the same extent as the thickness of the film.
因此，较薄漆膜的耐清洗程度不如由相同涂料形成的厚漆膜。
Every its bunch ferrite consists of many phase-equal ferrite thin slices with thickness of about 200nm.
其征一束针状铁素体由许多位相相同，厚度大约200纳米的薄铁素体片组成。
The artificial "stone", a thin layer of translucent resin shaped to a wavy form, will float (hung by transparent wires) in the air, with spotlight on top to strengthen the variation of the thickness.
人造石的“水”悬浮于空中（以多根极细的鱼丝悬挂），半透明树脂的极薄片层呈现水波状，正上方的人工光照使地面呈现粼粼波光。
Note that the thickness of the myocardial wall is normal superiorly, but inferiorly is only a thin fibrous wall.
尽管心肌壁的厚度正常，但内部仅为薄弱纤维。
A method of measuring the thickness and refractive index of thin transparency is introduced.
介绍了测量薄透明体厚度及折射率的一种方法。
With the continuous improvement of integration, the thickness of IC insulating layer is more and more thin.
随着集成度的不断提高，集成电路的绝缘层越来越薄。
Affecting the shearing stress of the thin layer is its thickness and combined degree between asphalt concrete and cement concrete pavement.
影响剪应力的大小主要是薄层的厚度和薄层与水泥混凝土道面的结合程度。
Results:lumber number of bone significantly reduce, the bone organization degraded, the number of trabecular reduced, the thickness become thin, the area percent declined.
结果：模型组的骨量明显减少，骨组织退化，出现骨小梁数目减少，厚度变薄，面积百分率下降；
Quantitative interpretation of the thin bed thickness is essential to thin bed structure interpretation, reservoir description, and lateral reservoir prediction.
薄层厚度定量解释对构造解释、储层描述和储层横向预测都非常重要。
After tube hydroforming, the thickness of tube became thin gradually from both ends to the middle and different thickness bands appeared.
管件在内高压成形后的厚度变化趋势是从两端向中间逐渐变薄，且呈现不同的厚度带。
The quantitative interpretation of thin bed thickness is one of the urgent problems to be solved in energy resource exploration.
薄层厚度定量解释已成为能源勘探迫切需要解决的课题之一。
Because the capacity of the optical component lies crucially on the thin film thickness, monitoring the deposition thickness becomes the key to the precise production.
光学薄膜的厚度对光学元件的性能有决定性的影响，因此精确控制膜厚就成为了关键。
The parameters of the optical slab glass waveguide (refractive index and thickness of thin film) were measured by a new technique for using the prism coupler, i. e., leaky mode method.
由使用棱镜耦合器的一种新技术即漏模法，测量了平板玻璃光波导的参数(薄膜的折射率和厚度)。
The thickness prediction of thin layer or thin interbedded strata is an important part of lateral reservoir prediction.
薄层、薄互层厚度的预测是储层横向预测的一个重要环节。
The reflection of thin layer may lead to frequency notch and the reciprocal of notch cycle is equal to the time thickness of thin layer.
薄层反射在频率域会出现陷频现象，其陷频周期的倒数等于薄层的时间厚度。
Using light interference characteristics to analyze the effects of ordinary light thin film interference on the interference fringes and on the limitation of thin film thickness.
利用光的干涉结果，分析了普通光源在薄膜干涉中对干涉条纹的影响和对薄膜厚度的限制。
Such a biogenic shoal microfacies is characterized by extensive distribution, smooth top and thin sedimentary thickness.
生物浅滩具有分布范围广、顶面平坦、沉积厚度较小的特征。
Some optical methods for measuring the thickness of the thin solid films are presented.
介绍了测量固体薄膜厚度的光学方法。
The particular requirement on substrate materials selecting, thin film structure design and monitor and control of thin film thickness has been discussed.
讨论了在基底材料选择、膜系设计以及膜厚监控等方面要求的特殊性，并给出了一些滤光片设计和监控的要求。
It is indicated that the thin film thickness measurement by eddy is also a practical method.
指出了采用涡流测量薄膜厚度也是一种实用的测量方法。
The effect of the thin plate's thickness to thermal buckling problem is analyzed.
初步分析了厚度对矩形薄板热屈曲临界应变值的影响。
The effect of the thin plate's thickness to thermal buckling problem is analyzed.
初步分析了厚度对矩形薄板热屈曲临界应变值的影响。
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