冬枣实生苗二年生时叶片大小仍显著小于亲本值，叶形指数比亲本明显降低。
The size and shape index of the leaf are dramatically lower than parents' average value.
圆锥指数仪是农业上用于测量土壤压实度的专用设备。
Cone index penetrometer is a special apparatus widely used for assessing soil compaction in agriculture.
高压实高庙子膨润土的膨胀力和干密度之间存在指数关系，干密度是影响膨胀力的一项重要的因素。
For the Gaomiaozi bentonite tested here, there is an exponential relationship between swelling pressure and dry density; and dry density is an important factor influencing swelling pressure.
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