音频电疗法的频率范围为A.0~100HzB.100~1000HzC.1000~5000HzD.5000~10000HzE.以上皆可

作者: rantiku 人气: - 评论: 0
问题 音频电疗法的频率范围为
选项 A.0~100Hz B.100~1000Hz C.1000~5000Hz D.5000~10000Hz E.以上皆可
答案 C
解析 :音频电疗法又称等幅正位中频电疗法,频率为1000~5000Hz,目前我国生产的音频电疗机多用2000Hz。

猜你喜欢

发表评论
更多 网友评论0 条评论)
暂无评论
错误啦!

错误信息

  • 消息: [程序异常] : MISCONF Redis is configured to save RDB snapshots, but it's currently unable to persist to disk. Commands that may modify the data set are disabled, because this instance is configured to report errors during writes if RDB snapshotting fails (stop-writes-on-bgsave-error option). Please check the Redis logs for details about the RDB error.
  • 文件: /twcms/kongphp/cache/cache_redis.class.php
  • 位置: 第 85 行
    <?php echo 'KongPHP, Road to Jane.'; ?>