cha
rac
te
ris
tic
复数形式
characteristics
1
特征, 特点
a notable feature or quality that defines or describes something
- Her kindness is a characteristic everyone notices.
- One characteristic of good friends is loyalty.
- Patience is a characteristic that helps in dealing with difficult situations.
- One characteristic of her personality is her optimism.
- Honesty is a characteristic that defines a good leader.
2
首数, 整数部分
the whole number part of a logarithm, which represents the exponent of the base when expressing the number in scientific notation
- In log₁₀(500), the characteristic is 2 because 500 can be written as 5 × 10².
在log₁₀(500)中，首数是2，因为500可以写成5 × 10²。
- For log₁₀(0.01), the characteristic is -2, as 0.01 is equivalent to 10⁻².
对于log₁₀(0.01)，首数是-2，因为0.01等于10⁻²。
- The characteristic of log₁₀(10000) is 4, because 10000 is 10 raised to the power of 4.
log₁₀(10000)的首数是4，因为10000是10的4次方。
- A positive characteristic indicates a number greater than or equal to 1, while a negative characteristic reflects numbers less than 1.
正特征表示大于或等于1的数字，而负特征反映小于1的数字。
- In log₂(32), the characteristic is 5, because 32 is equal to 2⁵.
在log₂(32)中，特征是5，因为32等于2⁵。