随着每个连续不断地发生的变化，波及的环境逐渐扩大，而改变的效果也愈加明显。
With each successive change, the local environment becomes slightly larger and the effects slightly more pronounced.
齐40块蒸汽驱先导试验取得了较为理想的开发效果，但由于受油藏非均质性的影响，蒸汽驱过程中出现了蒸汽波及效率低、稳产时间短等现象。
Steam drive pilot test in Block Qi40 has achieved ideal development result, but the sweep efficiency is low and stable production period is short because of reservoir heterogeneity.
用数值模拟研究手段对七点法井网、五点法井网以及单油层、多油层聚合物驱的波及系数及驱油效果进行了模拟；
The sweep efficiency and oil displacement effect of polymer flooding in seven spot and five spot patterns for single and multizone reservoirs were simulated by numerical simulation.
在中后期采用水淹规律研究、不稳定注水研究、提高注水波及体积研究、优化水井射孔方案等方法也取得了较好效果。
In middle and later stages we can use water-flood law study, unsteady water-injection study, enhancing water spread bulk study and optimizing injection-well scheme and we also gained good effect.
开展线性注水先导试验，提高注入水的波及系数，改善区块开发效果。
Pilot test of linear water injection may be carried out to improve the sweep efficiency of the injected water and improve the effect of block development.
间歇注汽法可提高蒸汽比容，提高蒸汽波及体积和热利用率，改善油层渗流特征，达到改善驱油效果的目的。
Intermittent steam injection can increase the specific volume, swept volume and utilization ratio of heat, and can improve formation of seepage in oil reservoir so as to improve flooding effect.
目的：评估切开复位AO跟骨修复钢板内固定治疗波及跟距关节的跟骨骨折的临床效果。
Objective: To evaluate the clinical effect of internal fixation with AO-calcaneus plate treating intra-articular calcaneus fracture.
目的探讨微波及气囊扩张对良性食道狭窄的治疗效果。
Objective To evaluate the therapeutic effects of microwave coagulation and balloon dilatation on benign esophageal stenosis.
聚合物驱提高原油采收率的主要机理是扩大波及系数，聚合物驱后油层波及状况的研究是聚合物驱效果评价和进一步提高采收率的基础。
Research on sweep conditions of the oil reservoir after polymer flooding is the foundation of effect evaluation and further enhancing oil recovery.
差油层动用状况较差，导致油田水驱效率和波及系数较低，最终采收率低，开发效果差。
Producing condition of poor reservoir is bad, which makes waterflood efficiency, conformance factor and final recovery efficiency low, and the development effect is bad.
差油层动用状况较差，导致油田水驱效率和波及系数较低，最终采收率低，开发效果差。
Producing condition of poor reservoir is bad, which makes waterflood efficiency, conformance factor and final recovery efficiency low, and the development effect is bad.
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