查询词典 women's headgear

Look at the history of Chinese jewelry and cultural development, as early as the mid-Palaeolithic our ancestors on the use of animal teeth, shell, bone tubes, ostrich eggshell, stone beads and other ornaments to create strings, till ten thousand years before the turn of the new Paleolithic period, and further selection quartz, jasper, agate, obsidian and other semi-transparent colored material to create a variety of decorations, to the Xia Shang Zhou period, the Chinese men's and women's jewelry category was already very rich, and headgear are hairpin, comb, crown; ear decorated with rings; Necklace necklaces; hand-decorated with bracelets, Yuan and so on.

看看中国珠宝和文化发展的历史，早在中期旧石器时代我们对动物牙齿，贝壳，骨管，鸵鸟蛋壳，石珠等装饰品使用的祖先创造的字符串，直到万年前翻开新的旧石器时代，并进一步选择石英，碧玉，玛瑙，黑曜石等半透明彩色材料创建各种装饰，到夏商周时期，中国男子和女子的珠宝类产品已经非常丰富，帽的发夹，梳子，冠；耳装饰戒指，项链项链，手与手镯，元等装饰。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。