Below is a text with blanks. Click on each blank, a list of choices will appear. Select the appropriate answer choice for each blank.
下面的文本有一些空格。点击每个空格会出现一组选项，请为每个空格选出最合适的答案。
For our purposes the words 'invention' and 'innovation' can be used interchangeably. More , however, the term 'invention' refers to the discovery of new products or processes, while 'innovation' refers to the commercialization (bringing to the market) of new products or processes. , we can distinguish between product innovations and process innovations, product innovations result the production of a new product such as the change from a three-wheel car to a four-wheel car, or the change from LP records to CDs. Procss innovations increase the of the methods of production of existing products, for example the invention of the assembly-ine techniaye. The inventions and innovations that form industrial revolutions are those that open new doors and create new ways of doing things, not simply those that fill gaps in existing ways of doing things (Mokyr, 1997). The core of the first lndustrial Revolution in the eighteenth century was a succession of technological changes that brought about matenial advances in three basic areas: 1) the subsitution of mechanical devces (such as machinesl for human labour; 2) the substitution of imanimate sources of power (such as steam) for animate sources of power (such as horse power; and (3) the substitution of mineral raw materials for vegetable or animal substances, and in general the use of new and more raw materials.
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