Commercial fertilizers generally contain nitrogen, phosphorus, and potash in amounts varying with the requirements of the soil. 伯莎M.克拉克.科学通论.
These severe requirements were staggering, but Mr. Edison's courage did not falter. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
Life, however, was yet in my possession, with all its requirements, and pains, and responsibilities. 夏洛蒂·勃朗特.简·爱.
It requires several ship loads of wood to supply the requirements of Lucifer-match makers; and ingenious contrivances have been patented for cutting it up into splints of the proper size. 弗雷德里克·科利尔·贝克维尔.伟大的事实.
Salt can be put to a great many uses in addition to the usual requirements for table and cooking. 佚名.神奇的知识之书.
So-and-so-and-so constitute a play, they affirm,--this thing doesn't meet the requirements, so away with it. 沃尔特·李普曼.政治序论.
Archer had never been more indifferent to the requirements of form; but his impulse to do Lawrence Lefferts a physical injury was only momentary. 伊迪丝·华顿.纯真年代.
From her coke ovens she indeed could derive some nitrogen, but this actually furnished only about one-fifth of her total requirements. 佚名.神奇的知识之书.
But it is not so easy to fulfill these requirements in actual practice as it is to lay them down in theory. 约翰·杜威.民主与教育.
An electric lamp answering certain specific requirements would, indeed, be the key to the situation, but its commercial adaptation required a multifarious variety of apparatus and devices. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
If it meets these two requirements, it is educative. 约翰·杜威.民主与教育.
There were men in Georgetown who filled all the requirements for membership in these churches. 尤利西斯·格兰特.U.S.格兰特的个人回忆录.
Using this stove in combination with the ovenette, which will be illustrated further on, the owner is provided with a table range which meets most of the requirements in a small family. 佚名.神奇的知识之书.
The tendency, however, among business houses is to investigate their individual requirements for delivery service and determine to what purposes either form of motor vehicle is best adapted. 佚名.神奇的知识之书.
Compliance requirements are not uniform and it takes a considerable effort, much paperwork and many fees to meet and keep up with these requirements. 威尔基·柯林斯.白衣女人.
I charge your dutiful affection with the supply of these requirements, and I charge myself with all the rest. 查尔斯·狄更斯.荒凉山庄.
The requirements of his business necessitated the daily addressing of 100 quotation cards. 佚名.神奇的知识之书.
A pupil has a problem, but it is the problem of meeting the peculiar requirements set by the teacher. 约翰·杜威.民主与教育.
The former, however, is the one generally used and answers all ordinary requirements. 佚名.神奇的知识之书.
Numerous models meeting varying requirements are produced. 佚名.神奇的知识之书.
Mankind requires four things,—amusement, education, work, and physical exercise; and on these requirements I base my system of rule. 弗格斯·休姆.奇幻岛.
The construction in each city is begun with these ultimate requirements in view. 佚名.神奇的知识之书.
If education is growth, it must progressively realize present possibilities, and thus make individuals better fitted to cope with later requirements. 约翰·杜威.民主与教育.
The teachers' business is to hold the pupils up to these requirements and to punish the inevitable deviations which occur. 约翰·杜威.民主与教育.
The Britannia Bridge, across the Menai Straits, was a triumphant response to the call for a new kind of suspended roadway adapted to the requirements of railways. 弗雷德里克·科利尔·贝克维尔.伟大的事实.
Besides the common or toilet pins, there are today numerous special bank and desk pins which are made to meet special requirements. 佚名.神奇的知识之书.
To improve the illumination to such an extent as to meet all requirements of natural, artificial, and commercial conditions. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.