不定: indefinite; indeterminate坡度: falling gradient; slope; inc ...定坡度: roll organization稳定坡度: stabilized grade; steady gradient定坡: bring to grade坡度: falling gradient; slope; inclination; declivity; pitch; batter 有五分之一坡度的小山 a hill with a slope of 1 in 5; 在45度的坡度上 at an incline of 45 degrees; 铁路从这里开始有个微微向上的坡度。 the railway slopes up slightly at this point 不定: 1.(表示不肯定) indefinite; indeterminate 我明天还不定来不来呢。 it's not at all certain whether i'll come tomorrow. 他一天不定来多少次。 i don't know how many times he comes a day. 事情还不定怎样呢。 it's hard to predict how things will turn out.2.(不稳定) unsteady; drifting; fitful 方向不定的风 a fitful wind; 漂泊不定 drifting from place to place; 心神不定 unsteady in mind; 不定代词 [语言学] indefinite article; 不定冠词 [语言学] indefinite article; 不定式 [数学] indeterminate form; [语言学] infinitive; 不定收入 transitory income定坡河川: grade stream定坡降线: grading定坡降线;分选: grading固定坡道: fixed ramp; ramps桩定坡面点: slope staking不定式;不定的: infinitivest坡度: st segment slopetin坡度: tin slope大坡度: sharp bank; steebank等坡度: uniform slope陡坡度: steegradient反坡度: adverse roll; negative slope; reverse bank管坡度: pitch of pipe缓坡度: gentle incline零坡度: zero bank爬坡度: gr ab grade ability坡度;斜度: inclination坡度比: ratio of slope; texture ratio