Fill in the blanks to give your answers to the given questions, with one word in each blank:What is the packing manner for the goods?The shirts are packed individually in 1 ____2_____ten 3 of the same size and color to one 4.
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What does the buyer require about the inner packing for the shirts?All the package must be ready for ____5_______ _____6_______.
What does the buyer think about the inner packing?It looks good but the _____7____ ______8___ should be lighter and the___9____should be moved closer to the middle.
吸收率为1的物体称之为
A. 黑体
B. 灰体
C. 白体
D. 透体
黑体的辐射能力与温度都几次方成正比
A. 1
B. 2
C. 3
D. 4