All stainless steel body. Electronic directspark ignition.
不锈钢炉身，电子点火。
2
Spark offers designers and developers a seamless way to customize the visuals and behaviors of a Flex component in a much more direct and effortless manner.
借助于Spark，设计师和开发者可以更加直接和高效的方式无缝定制Flex组件的可视化元素与行为。
3
The disadvantage of Spark compared to a standard EBNF-based tool is that it is more verbose and that it lacks direct occurrence quantifiers (i.e., existential "+", possible "*", limited "?").