Especially in labor-abundant countries, it may be a waste of resources to encourage the substitution of chemical pesticides for human labor . 尤其是在哪些劳力充裕的国家，鼓励以化学药物取代人力可能是一种浪费资源的作法。
This very recklessness makes me feel that these costly operations may be only the prelude to far larger events which impend on land . 这种孤注一掷的作法，使我感到这些代价重大的战役，也许正是陆上即将发生远为重大事件的一个前奏。
What is done instead is to use the ideal-gas thermometer to determine accurate values for several fixed points that cover a wide temperature range . 取而代之的作法是用理想气体温度计精确地测量分布于较宽温度范围内的几个定点的温度值。
I agree there should be changes, but predict our masters will kick and scream against them until forced at pistol-point to mend their ways . 我同意应当改变现状，但料想我们的主子会又踢又闹地加以反对，直到在枪口的逼迫下改变他们的作法。
The nixon administration was not so insensitive to the chilean junta's clumsy and occasionally brutal practices as our critics alleged . 尼克松政府并不象批评我们的人所说的那样，对智利军政权的那些很不策略的，有时又是很残酷的作法无动于衷。
We have to ask ourselves very seriously what will happen if this two-fold use of knowledge with its ever-increasing power continues . 我们不得不很严肃地问一问自己：假如这种双重地使用威力不断增长的知识的作法继续下去的话，将会发生什么情况呢？
It is always considered a capital blemish on military operation that large bodies of troops should be standing idle while decisions are reached elsewhere . 当别处正在决一死战的时候，把大批部队闲置不用，这种作法将永远被人认为是军事行动的致命伤。
If a scientist later discovered an error of his own, it was considered normal and ethical to announce the error and correct any published work . 一个科学家如果后来发现了自己的错误，宣布出来并更正发表了的著述，他的作法会被看作是正常的和合乎学术道德的。
Process of casing reformation and strengthening seal 套管郑兴与密封加固工艺作法
Recommended practice for guarding of pumping units 装设抽油机防护装置的推荐作法
