Teeth have a hard surface layer called enamel.
牙齿有一层叫做釉质的坚硬表层。
Most Roman pottery is light and smooth to touch and very tough, although, like all pottery, it shatters if dropped on a hard surface.
大多数罗马陶器轻巧而光滑，摸起来很硬，但像所有的陶器一样，如果掉在坚硬的物质上就会碎裂。
Understanding polygonal subdivision and how it relates to hard surface modelling.
了解多边形细分及其与硬表面建模的关系。
Siemens FLD gear Units: Chinese standard of hard surface gear unit origins from FLD standard.
西门子弗兰德减速机：中国硬齿面减速机的标准源于弗兰德。
You need to know whether the toy can be used on hard surface only or both hard surface and grasses.
你需要知道的玩具可用于硬表面的唯一或硬表面和草。
With a single click, you can automatically produce organic or hard surface topology without spirals.
一次点击，就可以自动产生有机或硬表面拓扑结构没有螺旋。
Try switching running surfaces (if you've been running on a hard surface, try a softer one or vice versa).
换一种路面去跑步(如果你跑步的路面很硬，就应该试着在软一些的地方跑，反之亦然)。
The fluoride mixes with enamel, the hard surface on teeth, to help prevent holes, or cavities, from forming.
氟化物内含有坚固牙齿表面，抑制蛀牙或牙斑形成的珐琅。
In this study, hard surface cleaner formulations with deliver convenience and safety for surface were investigated.
研究了如何设计使用方便并对表面安全的硬表面清洗剂配方。
So from the distance it looks all green and it is not like something with the hard surface as concrete or steel concrete.
所以从远处看，所有的东西都是绿色的，它没有像混凝土和钢筋这样硬质的表皮。
Convenience as well as primary cleaning performance have become one of the most important claims of modern hard surface cleaners.
方便并具有基本的清洁能力已经成为现代硬表面清洗剂一个重要的诉求点。
Ideally, a large proportion of rainfall should be absorbed by the ground. Clearly, such a process is not possible on a hard surface.
大部分降雨理论上应该被地面吸收，对硬地面来说显然不行。
Process is one popular application technologies metallurgical industry such as making and restoring hard surface parts and calender.
管状焊丝埋弧堆焊工艺是钢铁等行业中硬面零件及轧辊制造、修复的成熟技术。
It was shown that high power pulse superposition current supply was the optimum choice for hard surface treatment of al and al alloys.
指出大功率脉冲叠加电源是铝及铝表面硬质处理的首选电源。
For disinfecting food processing utensil and hard surface in hotel and restaurant and for disinfectant of all surfaces in the kitchen.
适用于宾馆、饭店食品加工用具和硬表面的消毒和消毒厨房内所有的硬表面。
Grinding gear with the toroidal involute interior thread worm grind wheel is a new kind of process in hard surface gear finish machining.
渐开面包络环面内螺纹蜗杆砂轮磨齿，是一种硬齿面齿轮精加工的新型工艺。
Grinding gear with the toroidal involute interior thread worm grind wheel is a new kind of process in hard surface gear finish machining.
针对面齿轮硬齿面磨削加工中存在的困难，提出用蜗杆砂轮磨削的双参数法来磨削面齿轮。
We offer tailor-made cleaning detergents and maintenance programs for every type of hard surface, like natural stone, floor, brick or plastic.
天然石材，地板，地砖，塑胶等每一种地面类型，我们都为您设计专有的清洁剂和保养程序。
There is an obvious disparity between our nation and other developed nations in the field of hard surface finish machining of the spiral bevel gear.
在螺旋锥齿轮硬齿面精加工这一环节上，我国与发达国家的差距尤为明显。
In addition, considering a lot of household products made of various plastic materials, modern hard surface cleaners also require protection and safety for surfaces.
此外，考虑到大量的家用产品是由各种塑料制成的，现代硬表面清洗剂也要求对表面安全并具有保护效果。
We all know that too much sugar can cause not only obesity and diabetes but also tooth decay - this destroys the hard surface of your teeth and exposes more sensitive parts.
众所周知，糖摄取量过高会造成肥胖、糖尿病和牙齿问题——牙齿表面不再坚固，牵动牙齿内部神经。
The tie will be held in Sweden on an indoor hard surface (again) and both of these guys are great indoor players (Nalbandian is more accomplished but the Swede is in better form).
主场是瑞典人的地盘，对阵双方又都是室内作战的能人（纳尔班迪安技高一筹，但瑞典人也在状态）。
This product can enhance the performance of a broad spectrum of hard surface cleaner formulations for use in household, institutional, automotive, avionic, food, hygiene and industrial applications.
该产品可加强用于硬表面清洁产品的效能，用途十分广泛，包括家居护理、工业清洗、汽车清洗、飞机清洗和食品卫生方面。
Duricrust is a hard layer on or near the surface of soil.
铝铁硅钙壳是土壤表面或其附近的一层硬物。
As he is a hard edged surface against a flat background it should be fairly easy to select him using the Polygonal Lasso Tool.
因为相对于单一的背景，他有一个边缘分明的外观，所以，使用多边形套索工具选取他是十分容易的。
In that year "a defect at the dam opened the gates, making a toxic layer of hard metals deposited at the bottom of the river come up" to the surface, she said.
就是那年，大坝的门户错误的打开，使得那些原本位于河流底部的有毒重金属层浮到了表面，她继续说道。
If you kick the ball hard enough for the airflow over the surface to become turbulent, then the drag force remains small and the ball will really fly.
如果你踢球的力量足够大，使得球表面的气流形成湍流，则阻力会很小，你很可能踢成高射炮。
But it is important to understand that Spring 2.0 enhancements are not all at the surface; a lot of hard work has been done underneath.
但是理解Spring 2.0并不仅仅是在表面上增强，这很重要；它在底层完成了相当多的有难度的工作。
But it is important to understand that Spring 2.0 enhancements are not all at the surface; a lot of hard work has been done underneath.
但是理解Spring 2.0并不仅仅是在表面上增强，这很重要；它在底层完成了相当多的有难度的工作。
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