Warning: file_put_contents(/www/wwwroot/ppbbbu/5356789.com/cache/54e3b9dcd0d1982464630eb97d27750a.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/5356789.com/index.php on line 55 rating scales method例句_rating scales method英汉例句_rating scales method双解例句_零六五六深蓝词典
Distribution and damage of wheat field weeds in Lanzhou district were studied by the rating method with five scales during 1988-1990. 1990年，筆者用五級目測草害調查法調查了蘭州地區麥田襍草的發生與危害情況。