(单选题)
通过( )可以适当增加光源强度。
A增加灯电压
B减小灯电流
C增加光谱通带
D减少光谱通带
正确答案
答案解析
略
相似试题
(填空题)
The full title of the U.K. is the United Kingdom of ()and ()
(填空题)
减少铁口潮泥可以适当增加()的配比,提高炮泥高温粘结强度可适当增加沥青的配比,提高炮泥耐火度可适当增加()的配比,提高可塑性可适当增加()的配比。
(单选题)
当键联接的强度不够时,可以适当的增加()以提高联接强度。
(多选题)
在局部光源模型中,随着光源的距离增加,光的强度不会随之衰减的有()
(单选题)
public and private colleges and universities and community colleges offer().
(填空题)
随电弧光源温度增加,同一元素的原子线强度()。
(单选题)
()is used for calling and replying,and for transmitting acknowleding and relaying distress alerts.
(单选题)
The way in which people address each other depends on their age, sex, social group and personal relationship. The English system of address forms frequently used includes first name, last name, title+last name, (), and kin term.
(判断题)
就其光源性质来说,模拟均匀,揉合,相对大面积和适当强度的自然散衬光,是一般情况下广告摄影基础照明的理想的光源。