(noun.) an adequate or large amount; 'he had a quantity of ammunition'.
(noun.) the concept that something has a magnitude and can be represented in mathematical expressions by a constant or a variable.
整理:泰丝
双语例句
In each bladder was a small quantity of dried peas, or little pebbles, as I was afterwards informed. 乔纳森·斯威夫特.格列佛游记.
How a living animal obtains its quantity of this fluid, called fire, is a curious question. 本杰明·富兰克林.富兰克林自传.
If this quantity of water plunges over a 10-ft. 伯莎M.克拉克.科学通论.
Thus, while the force was reduced nearly one-half, the quantity of product was more than doubled. 威廉·亨利·杜利特.世纪发明.
Many varieties of coal produce a quantity of fine dust which settles in the roadways, on roof, and sides, and floor. 佚名.神奇的知识之书.
Quantity of Water Furnished by a River. 伯莎M.克拉克.科学通论.
Two-fifths part of dextrine (or the same quantity of gelatine) may be substituted for the 2 parts of starch. 威廉K.戴维.智者、化学家和伟大医生的秘密.
To send abroad any great quantity of it, therefore, would be to send abroad a part of the necessary subsistence of the people. 亚当·斯密.国富论.
Barbara went out: she returned soon-- Madam, Mrs. Harden says she has sent up the usual quantity. 夏洛蒂·勃朗特.简·爱.
I saw by his tilting of the bottle that there was no great quantity left in it. 查尔斯·狄更斯.远大前程.
Thus the quantity of good clinker obtainable was unfavorably affected. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
William Larkins let me keep a larger quantity than usual this year. 简·奥斯汀.爱玛.
The owner of bank money cannot draw out bullion, without producing to the bank receipts for the quantity which he wants. 亚当·斯密.国富论.
Explosions have occurred, however, in cases where it is extremely doubtful whether gas has been present in dangerous quantity, and attention has been drawn to the possible causes. 佚名.神奇的知识之书.
It is a cheap source of illumination, but is found in relatively few localities and only in limited quantity. 伯莎M.克拉克.科学通论.
A siren worked by explosion of small quantities of oxygen and hydrogen mixed. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
Generally speaking, meats are the most expensive foods we can purchase, and hence should be bought seldom and in small quantities. 伯莎M.克拉克.科学通论.
The steam-shovel did not discriminate, but picked up handily single pieces weighing five or six tons and loaded them on the skips with quantities of smaller lumps. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
The cap suggested the necessity and invention of machines for making them quickly and in great quantities. 威廉·亨利·杜利特.世纪发明.
They had reduced the force of earlier times by making larger quantities by better processes. 威廉·亨利·杜利特.世纪发明.
This soon resulted in sending great quantities of rubber overshoes to Europe and America. 威廉·亨利·杜利特.世纪发明.
Gold has been found in smaller or larger quantities in nearly all parts of the world. 佚名.神奇的知识之书.
It yields quantities of asphaltum; fragments of it lie all about its banks; this stuff gives the place something of an unpleasant smell. 马克·吐温.傻子出国记.
This dissolves in water, but when boiled in large quantities of the same it is decomposed into glycerine and boracic acid. 威廉K.戴维.智者、化学家和伟大医生的秘密.
They will do this, I say, more nearly than equal quantities of almost any other commodity; for even equal quantities of corn will not do it exactly. 亚当·斯密.国富论.
Honey, glycerine, and mucilage acacia equal quantities of each sufficient to make into a paste of the desired consistence. 威廉K.戴维.智者、化学家和伟大医生的秘密.
The same kind of gas may also be obtained in smaller quantities by the distillation of tar, rosin, or pitch. 弗雷德里克·科利尔·贝克维尔.伟大的事实.
Gold had been retained only for international trade, and every government had produced excessive quantities of paper money for domestic use. 赫伯特·乔治·威尔斯.世界史纲.
The latter was a feeble child, and it was only by prodigious quantities of calomel that Lady Southdown was able to keep him in life at all. 威廉·梅克比斯·萨克雷.名利场.
Large quantities of the cheaper class of watches are now made by machinery in the United States, Switzerland, France, Germany and England. 佚名.神奇的知识之书.