平均速度

へいきんそくど

noun

•

average speed

平	even, flat, peace
均	level, average
速	quick, fast
度	degrees, occurrence, time, counter for occurrences, consider, attitude

とく

、

ちょうわへいきん

じっさい

しようれい

、「

へいきんそくど

」

おも

とあ

、

せつめい

お

つうれい

In particular, it is customary for actual examples of use of the harmonic mean to generally cover "average speed," and explain no further than that