查询词典 stepping stone

In china, the research on ground stone tools focused on pre-historical stone typology, and then used the conclusion to study the communication and the influence between different cultural communities. The research on technology and function of the ground stone tools still is in the preliminary stages. Some issues, such as lithic resource, theories and the methods have not been set up.

我国关于磨制石器的研究，主要集中于史前石器类型学上的考察，进而研究文化群之间的相互影响与交流；关于制作工艺、工具用途等研究尚处于起步阶段，产地研究等还是空白，理论和方法尚未建立；学者多注重个案并非石器组合的研究。

Long time ago, ancient Greeks and Chinese found a kind of naturally magnetized stone; they called this kind of stone the lodestone and that kind of stone was the ancestor of magnets.

很久以前，古希腊人和中国人发现自然界中有种天然磁化的石头，他们称其为"吸铁石"，这就是磁铁的鼻祖。

Ago a kind of misconception that the rare earth metals is very scarce in nature, in fact not the case, many of which elements such as lanthanum, cerium, praseodymium, neodymium and samarium in accordance with their distribution in nature is no less well-known people in some of the elements of industry, common There ore monazite, scandium yttrium stone, silicon and cerium stone, stone and brown curtains and other fluorocarbon calcium cerium ore.

以前有种错误概念，认为稀土金属在自然界很稀少，其实不然，其中很多元素如镧、铈、镨、钕和钐按其在自然界的分布不次于人们在工业上熟知的某些元素，常见的矿石有独居石、钪钇石、硅铈石、褐帘石和氟碳钙铈矿等。

To execute the differentiated marketing strategy much more effectively, stone enterprises should emphasize not only on the demand interests their target clients pursue in product sourcing, but also on the trend change of stone consumption. To keep a perdurable differentiated competition advantage, stone enterprises should constantly conclude and innovate.

为了有效实施差异化营销策略，石材企业不仅要着眼于目标客户采购产品时所追求的需求利益，更要洞察石材消费趋势的变化；为了保持差异化竞争优势的持久性，石材企业还要坚持不断总结和创新。

Animals. Western sculpture: all kinds of tombstone: Stone product design and processing; works Stone: relievo fireplace: stone furniture; musical fountain: steeplechase Dashiqiao: rockery waterfall; geomantic ball.

动物。西方人雕刻：各式墓碑：石材产品设计与加工；工程石材：浮雕壁炉：石材家具；音乐喷泉：栏板石桥：假山瀑布；风水球等。

We also can measure ,design , construction for clients and process cylinders lf variety standards, fire burning board, flight lf steps stone, road dental calculus, sawing and digging stone, cutting glass schorl, mushroom stone, flower pieces together, peculiar cover of the door, specially thick slabs, stage slabs etc.

六、公司《企业宣传海外版》、《企业宣传电子商务版》栏目：该栏目大力宣传我国企业形象、产品优势、产品销售合理报价、企业发展前景等，为提高企业和产品的海内外知名度，争取更多的外商投资和产品定单起着重要作用。

Natural stone could be divided into two kind according to their content: silicic acid kind stone and calcareousness stone, to know this the key to choose the clean product.

然石材根据它们的成分大体可被分成两大类：硅酸类石材和石灰质石材。了解它们的区别是选择清洁产品的关键。

Stone mining are:à°, rust slate, gray slate, green slate, etc.; processed products mainly include: tile board series, cultural stone series, the road flat stone series, plate series, such as billiards.

开采的石材主要有：青石板、锈石板、灰石板、绿石板等；加工的产品主要有：瓦板系列、文化石系列、路面平板石系列、台球板系列等。

It should be noted: if and Qingtian Bahrain steatite stone, stone mix chang thaw often difficult to distinguish, the difference is, some very good Bahrain cold stone carving delicate; some are particularly brittle and unruly

应该指出：巴林冻石若与青田石、昌化冻石等混在一起，常较难区别，其不同处在于巴林冻石有些十分好刻细腻；有些则特别脆裂不驯，仅凭肉眼观察不易识别，只有在镌刻时，方知就里。

Its pathology change is tiny stone often accompanies the kitchen sex that has prostate, chronic inflammation changes, stone is big person prostate canal and gland bubble dilate, there is size to differ all round, appearance the bursa antrum of each different, clinking skin cell covers its wall, between gland bubble soak of cell of form having garden and fiber are changed, stone can be located in gland to run mouth office, yi Ke is in gland body deep, the person that affect for a long time.

其病理变化是微小的结石常伴有前列腺的灶性，慢性炎症变，结石大者前列腺管和腺泡扩张，周围有大小不等，形状各异的囊腔，其内壁无上皮细胞覆盖，在腺泡间有园形细胞浸润及纤维化，结石可位于腺管开口处，亦可在腺体深部，长期感染者。

After oxidation, pH value of the surface of carbon black has a specific relation with the volatile content.

氧化后炭黑表面的pH值与挥发分之间有一定的关系。

Knowing that such a person is warped and sinful; he is self-condemned.

因为知道这等人已经背道，犯了罪，自己明知不是，还是去做。