原创：地铁盾构反力支撑系统的安装及拆除施工技术 - 经济法律论文发表 - xzbu.com 中国论文网 关键词：地铁盾构；负环；管片；拆除 [gap=385]Key words: subway shield; negative ring; segment; demolition
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负环室 Minus carrier-ring
次则存在负环 SPFA
环境负荷 carrying capacity of environment ; conditioning ; Environmental Loadings
负载循环 [核] duty cycle ; load cycle
循环负荷 cyclic load ; circulating load ; MSBF ; cycling-load
最大循环负荷 maximum cyclic load
负反馈环 [自] negative feedback loop
循环负载 circulating load ; repeated loading
环形正负电子对撞机 CEPC ; Circular Electron Positron Collider
第四季度，同比增长year - to - year growth降至6.8%。而环比增长sequential growth——从第三到第四季度——不是堪堪为正，就是微微为负。
In the fourth quarter, year-to-year growth dropped to 6.8% and sequential growth — that is, from the third quarter to the fourth quarter — was either only barely positive or slightly negative.
井底负压值控制是欠平衡钻井技术的基础，而井底负压值的大小与环空多相流的有关压力计算有关。
The under-balanced drilling technology is based on how to control the bottom negative pressure which is related to the pressure computation of multiphase flow in annulus .
作为本文的主要结果，关于交换环上矩阵的正点定理，零点定理和非负点定理被建立。
As the main results, it gives a Positivstellensatz, a Nullstellensatz and a Nichtnegativstellensatz for matrices over a commutative ring.
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