Only with the rise of the Space Shuttle programme, beginning in 1981, and the dissolutionof the Soviet Union a decade later, did America retake the crown.
只有在1981年开始的空间航天飞机项目，以及十年之后的苏联解体，才让美国取得了空间技术领域的桂冠。
2
Only with the rise of the Space Shuttle programme in the early 1980s, and the dissolutionof the Soviet Union a few years later, did America retake the crown.
直到20世纪80年代初航天飞机计划的兴起以及没几年后苏联的解体，美国才重获该领域的主导地位。
3
The compactionand secondary enlargement of quartz lead to the great decrease of primary porosity of clastic rocks, and dissolution is contributed to the formation of secondary pore space.