The Economist has been collating these house-price indicators since 2002, allowing us to track the global residential-property boom (see chart).
“经济学家”杂志从2002年开始比较这几个房价指标，以跟踪全球住宅市场的繁荣程度(见下图)。
In order to avoid interference and realize direct and accurate positioning, it is necessary to control the boom to along a planed track precisely.
为了防止干涉、实现直接和精确定位，需要控制钻臂严格按规划轨迹移位。
Advise you see in the film before the start of the bigfoot boom throttle mode is very not desirable, after all, this is not the starting line track.
奉劝各位在电影中看到的起步之前大脚轰油门的方式非常不可取，毕竟停车线不是赛道的起始线。
Technological advances that allow robots to better track their location in warehouses and avoid injuring humans who work alongside them are also playing large roles in the boom.
随着技术进步，机器人可以更准确地判断在仓库中所处位置，避免伤害到一同工作的人类，也是行业繁荣的重要原因。
Coleman enclosed track jib cranes are trussed booms mounted on a pivot to allow for boom rotation. The pivot location can be on a floor mounted pedestal, ceiling mounted pedestal, or a wall bracket.
科尔曼挺杆起重机在枢轴位置安装有捆绑臂，可以使臂旋转，这些枢轴可以安装在地上、天花板上，也可以安装在墙上托架上。
Coleman enclosed track jib cranes are trussed booms mounted on a pivot to allow for boom rotation. The pivot location can be on a floor mounted pedestal, ceiling mounted pedestal, or a wall bracket.
科尔曼挺杆起重机在枢轴位置安装有捆绑臂，可以使臂旋转，这些枢轴可以安装在地上、天花板上，也可以安装在墙上托架上。
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