纸质材料（Suitable paper weight）: 150—380g／平方米的一面涂膜纸张 定额生产率（Speed of making paper cups）: 60-70pcs／min
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To probe the tendency and factors of the price in this period, the paper finds out the most suitable changeable weight from the aspects of cost and need according to the measurement of price standard.
为探讨在这段时期物价的走势与决定因素，本文以物价水准的计量分析，从成本面与需求面上找出最适的解释变权。
The characteristics of the multi-targets' spatial spectrum in acoustic field is analyzed in the paper, and the adaptive weight suitable to this condition is derived.
分析了声纳多目标背景环境下声场方位谱的特性，并推导了适合此背景的最优自适应权。
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