demonstation meaning in Chinese

示威游行

Military helicopter demonstation requirements
军用直升机验证要求
In present experiments , the lowest density of cmf organic aerogel is 0 . 062 g / cm3 , the density of the corresponding carbon aerogel is 0 . 090 g / cm3 . meanwhile , the synthetic mechanism of cmf aerogel was deduced firstly based on the primary experimental demonstation .
目前实验条件下合成的c _ mf有机气凝胶最低密度为0 . 062g cm ~ 3 ，相应炭气凝胶密度为0 . 090g cm ~ 3 ，所得气凝胶具有规则的网络结构。
Innovation sustains a vibrant meizhi ; the display tools of 9 series and more than 120 categories satisfy the diversfied requirements of the customers ; the powerful innovative ability ensures the originality of all the products , among which three major series received national partent ; excellent quality , individualized services and the consistent stance in pursuit of being perfect , make it a preferential brand of the domestic and overseas customers and a demonstation of quality standard
美致展具的活力来自于创新， 9大系列、 120多个品种的展具，满足了客户不同的需求；强大的创新能力保证了每一款产品的原创性，优良的品质、个性化的服务和永逐完美的追求，成为海内外客户的首选品牌和质量标准的示范者。