If a certain company purchased its computer terminals for a total of$540,400 and each of the terminals was purchased for$350,how many terminals did the company purchase()
A. 1,624
B. 1,544
C. 1,434
D. 1,384
E. 1,264
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彩色反转片在冲洗前必须对冲洗药液进行监控,需要使用试条进行冲洗后的密度测量,与标准试条的数据进行对照,偏差符合要求后才能进行反转片的批量冲洗。( )
A. 对
B. 错
镜头的口径越大,则表示镜头的通光性能越好。( )
A. 对
B. 错
逆光照明是拍摄逆光人像的最佳光线。( )
A. 对
B. 错
彩色负片的冲洗工艺是C-41。( )
A. 对
B. 错