introduction n. 1.引导;传入。 2.介绍。 3.推广,采用;引进。 4.(育种)引种。 5.序,导言,绪言;【音乐】前奏,序奏。 6.初步,入门(书),概论。 The word is a recent introduction. 这个词是新传来的词。 a letter of introduction 介绍信。 introduction of better strains of seeds 良种的采用。 An I- to Chemistry 《化学入门》。
That base has been inhibiting the introduction of fuel cell vehicles, which generate power by converting hydrogen to electricity, with water as the main byproduct 在这种情况下,燃料电池驱动的汽车的引入就会受到限制??电动汽车主要通过将氢转化为电能作为动力,水是主要的副产品。
Promotion of low cost and environmentally low impact technologies including :-appropriate building methods such as rammed earth construction-passive solar architecture such as solar heated buildings-promotion of unicef approved pour flush toilets-development of improved irrigation, inter-cropping and permaculture systems-introduction of fuel efficient household cooking and heating techniques 亚洲适用技术协会各部门的工作包括(但不只是):当地社会的生产力建设和发展;改善水和卫生系统设备;介绍推广新的农业技术;提供健康、教育、环境、小额信贷和职业所需的资格技能方面的培训。