sat a is decreased by b 是 a-b还是b-a啊

英语翻译
Overexpression of OB-RGRP decreased the amount of OB-R on the cell surface in a dose-dependent fashion,without modifying the total amount of OB-R produced or cell surface expression of the transferrin and EGF receptors.

The traffic accidents in the city decreased by 30% last year.
The traffic accidents in the city decreased 30% last year.两句都对么?意思一样么?

英语翻译
The inventory decreased due to the sale of apples held by the company in 2010 and an increase in apples crops which were allowed for due to falling prices.

英语翻译
Household deposits decreased by 167.4 billion yuan (US$21.7 billion) in April,compared with an increase of 60.6 billion yuan (US$7.9 billion) at the same time last year,the central bank said in a statement on its website on Sunday.怎么翻译

题目是这样的：
the reciprocal of one third of a number decreased by one third of the reciprocal of the number is 1/3.Find the number
不需要解题
我把不认识的词查了还是看不明白

如何翻译下面的句子
Secondly it proposes the decreased charging current based on SOC evaluated by modified dynamic voltage model.

both styles decreased slightly with the emergency of ...（music）可以改为both style of music吗

If Margaret"s weight is decreased by 5% ,it will become 53.2 kg .What is Margaret's weightb now?

1.Half a number squared decreased by four to forth is thirty-three.
2.Five times a number increased by five is seventy-five.
3.A number to its square root times double the reciprocal of the number is one forth.
如何用数学式子表达以上题目?（中文翻译也行)

求翻译 One theory is that with decreased exposure to sunlight,the biological clock that regulates mood,sleep,and hormones is delayed,running more slowly in winter.Exposure to light may reset the biological clock.Another theory is that brain chemicals that transmit information between nerves,called neurotransmitters (for example,serotonin),may be altered in individuals with SAD.It is believed that exposure to light can correct these imbalances.Chen says people who suffer from "the autumn blues" often are extremely fatigued,lack energy,need more sleep,crave carbohydrates,feel increased appetite and gain weight."It is a sad season,but you can try to make it happy.Remember,spring always lives in your heart," Chen says.

if 5/4 of x is 20,what number is x decreased by
翻译就好!

segement profitdecreased by 5% to us$298 million,lowering the margin to 11.4%.怎么翻译?

the number of people who are getting married decreased slightly 这里的 are getting 可以改成

the number of people who are getting married decreased slightly 这里的 are getting 可以改成

The price of oranges has decreased this week.这里为何用has而不用have?前面的oranges不是复数吗?

英语翻译
the base price shall be decreased at a rate of five(5) US cents per dry metric ton for each 0.01% S in excess of 0.09%,fraction pro tata.这个是其中一条,前面已经提过说S的含量最多0.04%.

英语翻译
It has dropped/decreased more than two and a halt times,compared with.