In this paper,the cam explorator in contour lathe is designed direct according to the contour of primary products with the mathematical analogue of the working course of the cam。
通过对凸轮加工过程的数学模拟,利用原始产品凸轮外形来直接设计凸轮仿形车床的靠模。
单词 | Primary products |
释义 |
Primary products
英语例句库
In this paper,the cam explorator in contour lathe is designed direct according to the contour of primary products with the mathematical analogue of the working course of the cam。 通过对凸轮加工过程的数学模拟,利用原始产品凸轮外形来直接设计凸轮仿形车床的靠模。
原声例句
VOA Standard 2015年11月合集 In the production of whisky, less than 10 percent of what comes out in the distillery is actually the primary product. 在威士忌的生产过程当中蒸馏出不到10%的物质实际上才是主要产品。 CNBC全球经济分析 Baidu’s primary product is its search engine, but it also has platforms like maps, images, videos and news searches. 百度的主要产品是搜索引擎,但也有地图、图片、视频和新闻搜索等平台。
中文百科
第一产业 Primary sector of the economy(重定向自Primary products)
![]() ![]() ![]() 第一产业,又称一级产业或初级生产,是直接从自然界获取产品的产业,包括农业、采矿业、制盐业等。早期的经济活动大多属于第一产业,随着经济发展,今日则以第二、三产业为主。
英语百科
Primary sector of the economy 第一产业(重定向自Primary products)
![]() The primary sector of the economy is the sector of an economy making direct use of natural resources. This includes agriculture, forestry, fishing and mining. In contrast, the secondary sector produces manufactured goods, and the tertiary sector produces services. The primary sector is usually most important in less-developed countries, and typically less important in industrial countries. |
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