么並矢 yāo bìng shǐ

DEFINITIONS

  1. idemfactor (expressing a vector as sum of its three orthogonal projections)

CHARACTERS

么 yāo
HSK 1
interrogative particle; repetition of a tune small; tender
並 bìng equal to; side by side; also, what is more; both
矢 shǐ arrow, dart; vow, swear