大批交易；巨额交易
- Its contents are extensive comparatively, mainly including the basic supervision, investment and financing supervision, income supervision, property right transaction supervision, and so on.
国有资产监管的内容比较广泛，主要有基础性监管、投融资监管、收益监管、产权交易监管等。 - Thus, the digital signature technology, which achieves the rapid spread and the extensive application gradually, becomes an important link of the creation of a safe, reliable online transaction environment.
从而，使数字签名技术逐步得到普及推广与广泛应用，成为创建安全、可靠的网上交易环境的重要一环。