收获率 yield rate
- 适用于带研磨性的中硬地层取芯,取芯收获率高。
Suitable for coring in medium hard formation with abrasiveness . Core recovery rate is high. - 南堡35-2油田储层主要为极疏松的粉砂岩,部分层位含有粉砂质泥岩,取心作业难度大,岩心收获率低。
Most reservoirs in NB35-2 oilfield are loose sand, some are sandy shale. It results in low core recovery. - 美国农业部表示,由于6月份遭受洪水袭击,8月份天气炎热,降低了玉米收获率,预计今年玉米产量将比去年减少3.4%。
Corn harvests will fall 3.4 percent from a year earlier after floods in June and dry weather in August cut yields, the USDA said.
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