nullKK [ˋnʌl] /ˈnʌl/形容詞1無效的、失效的法律The court ruled that the earlier agreement was null.法院裁定先前的協議無效。2空的、零的電腦Leave the field null if the customer has no phone number.如果客戶沒有電話號碼,這個欄位就留空。3等於零的、不存在的正式The effect of the new policy on wages was essentially null.新政策對薪資的影響幾乎等於零。名詞1空值、null電腦The function returns null when no match is found.找不到相符的資料時,這個函式會回傳空值。2零、零位技術Turn the dial until the meter reads a null.轉動旋鈕,直到儀表顯示為零。顯示全部 6 個義項片語1無效、作廢法律Without both signatures, the contract is null and void.缺少雙方簽名,這份合約就無效。