常用于太阳电池和组件效率测试时的标准为()。
A: AM2
B: AM1.5
C: AM1
D: AM0
A: AM2
B: AM1.5
C: AM1
D: AM0
B
举一反三
- 地球大气层外的标准光谱称为 A: AM0 B: AM1 C: AM1.5 D: AM2
- 晶体硅太阳电池标准测试条件是 A: AM1.0,1000 W/M2,25摄氏度 B: AM1.5,1000 W/M2,25摄氏度 C: AM0,1000 W/M2,25摄氏度 D: AM1.0,1000 W/M2,20摄氏度
- 当溶液中有两种辅助配位剂L 和A同时对金属离子M产生副反应,这时金属离子M的总副反应系数为 A: aM= aM(L )+ aM(A) B: aM= aM(L ) + aM(A)- 1; C: aM=aM(L )+aM(A)+ 1 D: aM=aM(L )-aM(A)
- It ____I who _____leaving for London. A: is…is B: am…is C: is…am D: am…am
- -_________ you Miss Smith?-Yes,I _________. A: Are;are B: Am;am C: Are;am D: Is;am
内容
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【单选题】) — ____ you Miss Smith? — Yes, I ____ . A. Are; are B. Am; am C. Are; am D. Is; am A. Are are B. Am am C. Are am D. Is am
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请问光伏组件铭牌上的STC测试条件是什么? A: AM2.0,200W/m2,25摄氏度 B: AM1.5,200W/m2,25摄氏度 C: AM1.5,1000W/m2,25摄氏度 D: AM2.0,1000W/m2,25摄氏度
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I tired but I hungry.: am ; am not|am; am|are; are not|is; is not
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I_____helpful.He_____helpful,too. A: is,am B: am,is C: am,are
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已知s1="I "am a student.",s2='I \'am a student',则print(s1,s2)的输出结果为( ) A: I 'am a student. I 'am a student B: I "am a student. I 'am a student C: I "am a student. I \'am a student D: 程序报错