...行比较,理论上已实现极差 波动是比较有效的估计量,而实际分析中谁是比较有效的波动估计量主要依赖于交易强度 (trading intensity)和竞-要价差幅大小(magnitude of the bid-ask spread)等因素。
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贸易强度指数 Trade Intensity Index
双边贸易强度 bilateral trade intensity
疼痛强度简易描述量表 verbal rating scale ; VRS
相对强度交易策略 relative strength trading strategy
“在大多数工程材料中——比如，陶瓷（ceramics）——高强度都伴随着易脆性，”比勒说。
“In most engineered materials” — ceramics, for instance — “high strength comes with brittleness,” Buehler says.
在膜生物反应器中使用聚丙烯中空纤维膜材料的膜组件，可以解决以往其它材料寿命短、强度低、易污染等问题。
The application of polypropylene membrane in MBR could resolve the problems of short life span and low strength that arc usually possessed by other material of membrane.
本品具有空隙发达、吸附性能好、强度高、易再生、经济耐用等优点。
This product has the space developed, adsorption performance is good, high strength, easy regeneration, economic and durable, etc.
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