photoconductivity光电导性

某些半导体在光照影响下导电性能增强的能力。常用于探测和量度光量，如摄影用的曝光表。

• have a hard time
• have an interest in
• have confidence in
• have no interest in
• haven't
• have to do with
• he
• head
• headache
• head for
• heading
• head into
• headlight
• headline
• headmaster
• headmistress
• head to
• health
• healthful
• healthfully
• health magazine
• health supplement industry
• healthy
• hear
• heard