block arch的意思|示意

Earthjustice, a nonprofit environmental law firm, is suing to block the lease of state-owned land in Otter Creek, Mont., to Arch Coal for mining to serve demand in Asia and elsewhere.

地球公正，一个非盈利的环保律师事务所，正在请求阻止租赁蒙大拿奥特·克里克的国有土地和劝阻阿奇煤炭公司开采煤矿用于满足亚洲和其它地区的需求。

According to the special structure of precast block of inverted arch for TBM construction tunnel, the dynamic construction state is modeled by FEM with surrounding rock - structure calculating model.

针对TBM施工隧道仰拱预制块的特殊结构，采用围岩-结构模式，进行了模拟施工动态的受力影响计算分析。

The result of forecasting is consistent with the fact one. The applicability of block theory in overbreak of doubled arch tunnel is tested.

通过预测得出的结果证实了块体理论在高速公路连拱隧道超挖预测中的适用性。

Conclusion: We use L as arch length and H as chord length to bend syringe needle that is used to posterior superior alveolar nerve block anesthesia by intraoral injection. The success rate is 98%.

结论：以牙槽孔至颧下嵴起始部的弧长和弦长为标准弯制注射针头，采用口内注射法进行上牙槽后神经阻滞麻醉，成功率为98％。

Intraoperative posterior approach general spine pedicle screw-rod orthopaedics fixation system used and iliac bone block were implanted in space of posterior atlantal arch and axial vertebral plate.

术中应用经后路通用脊柱椎弓根钉棒矫形固定系统固定，同时在寰椎后弓和枢椎椎板间大量髂骨植骨融合。

In the analysis, the foundation is divided into block elements, and the arch dam is treated as an arch-cantilever system.

耦合分析时，用块体单元离散坝基，将坝体划分为拱梁系统。