自20世纪70年代中期以来，澳大利亚岩石艺术组织已经形成了相当稳定的局面。

Since the mid-1970s, a reasonably stable picture has formed the organization of Australian rock art.

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自20世纪80年代中期以来，除了1989年稳定之外，通货膨胀一直在增长。

Bar a plateau in 1989, there has been a rise in inflation ever since the mid-1980s.

《柯林斯英汉双解大词典》

任何重大更改都应推迟到该解决方案的下一代，以保持其稳定性。

Any significant changes should be deferred to a future generation of the solution to maintain its stability.

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