It is of some advantages to use full-rotating equipment to clear underground obstacles such as little destructive effect for undisturbed soil and no disturbing the underground soil body.

某地下车站工程施工时，遇到原有建筑的桩基础需拔除，采用全回转设备清除地下障碍物具有对地下原状土破坏小、基本不扰动地下土体的优点。

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"The celebration of his return was extremely disturbing, and we have made it quite clear to the Libyan government both publicly and privately that we're going to be watching very closely how they receive this man,"

VOA: standard.2009.08.24

"What makes this data so disturbing is the clear and unexpected finding that dating abuse and violence begins at such a young age, " said Jane Randel, the vice president of corporate communications for Liz Claiborne Inc.

CNN: Survey reveals abuse in teen relationships

Whatever vagaries of the adoption and enforcement process may still lay ahead, the very fact that the EU is so seriously considering such a regimen should send a clear and disturbing message to businesses that do business globally.

FORBES: The Upcoming Data Protection Crunch: EU Proposals Raise the Ante for Non-Compliant Companies

The trajectory is clear and it is disturbing.

WHITEHOUSE: Encouraging Long-Term Fiscal Responsibility and Reform