logarithm

/ˈlɑ.ɡə.ɹɪ.ð(ə)m/

Meanings

noun

对数

For a number x, the power to which a given base number must be raised in order to obtain x. Written \logb x. For example, \log{10} 1000 = 3 because 10^3 = 1000 and \log_2 16 = 4 because 2^4 = 16.

Examples :

"In mathematics class, we learned that the logarithm of 100 to the base 10 is 2, because 10 raised to the power of 2 equals 100. "

在数学课上，我们学到以10为底100的对数是2，因为10的2次方等于100。

Related Words

mathematics noun

/mæθ(ə)ˈmætɪks/

数学，算学

"Mathematics helps us understand the relationship between different shapes in our daily lives. "

数学帮助我们理解日常生活中不同形状之间的关系。

learned adjective

/ˈlɜːnɪd/ /ˈlɝnɪd/ /lɜːnd/ /lɝnd/

博学的，有学问的

"Professor Davies is a learned scholar, renowned for her deep knowledge of ancient history. "

戴维斯教授是一位博学的学者，以其对古代历史的渊博知识而闻名。

because adverb

/bɪˈkɒz/ /biˈkɔz/

因为，由于。

"I went to the park because the weather was nice. "

因为天气很好，所以我去了公园。

obtain verb

/əbˈteɪn/

获得，取得，得到

"To obtain a library card, you need to show a photo ID. "

要获得借书证，你需要出示带照片的身份证明。

given verb

/ˈɡɪ.vən/

给予，赠送，提供。

"The teacher gave the students a new assignment. "

老师给了学生们一份新的作业。

power noun

/ˈpaʊ.ə(ɹ)/ /ˈpaʊ.ɚ/

力量，能力。

"The student's power to concentrate helped her finish her homework. "

这个学生集中注意力的能力帮助她完成了作业。

which pronoun

/wɪt͡ʃ/

哪个，哪些

"By now, you must surely know which is which."

到现在，你肯定应该知道哪个是哪个了吧。

equals noun

/ˈiːkwəlz/

对等者, 同等的人。

"This beer has no equal."

这款啤酒无与伦比。

raised verb

/ɹeɪzd/

举起，抬起

"to raise your hand if you want to say something; to raise your walking stick to defend yourself"

想要说话就举起你的手；举起你的拐杖来保护自己。

number noun

/ˈnʌmbə/ /ˈnʌmbɚ/ /ˈnʌmə/ /ˈnʌmɚ/

数字，号码

"Zero, one, −1, 2.5, and pi are all numbers."

零、一、负一、二点五和π都是数字。

example noun

/əɡˈzæmpl̩/ /ɘɡˈzɐːmpɯ/ /ɪɡˈzɑːmpl̩/

例子，榜样

"The teacher gave a good example of a sentence using the past tense. "

老师举了一个很好的用过去时态造句的例子。

written verb

/ˈɹɪtn̩/

书写，写作

"The pupil wrote his name on the paper."

学生在纸上写下了他的名字。