在Alpha通道中,灰色代表了可以被部分选择的区域。
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在Alpha通道中,白色代表了不能被选择的区域。
A. 对
B. 错
在Photoshop中,“图案图章工具”不能将自定义的图案复制到图像中。
A. 对
B. 错
在Photoshop中,“图案图章工具”可以将系统自带的图案复制到图像中。
A. 对
B. 错
A chemical system is considered to have reached equilibrium when:
A. the frequency of collisions between the reactant molecules is equalto the frequency of collisions between the product molecules.
B. the rate of production of each of the product species is equal to therate of consumption of each of the product species by the reversereaction.
C. the activation energy of the forward reaction is equal to theactivation energy of the reverse reaction.
D. the sum of the concentrations of each of the reactant species isequal to the sum of the concentrations of each of the productspecies.
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