標準正交基 — biāo zhǔn zhèng jiāo jī

1

biāo¹

mark, sign, symbol; bid, prize / standard, accurate; to permit, to approve, to allow / straight, right, proper, correct, just, true / to connect; to deliver, to exchange; to intersect; to mix / foundation, base

2

zhǔn³

mark, sign, symbol; bid, prize / standard, accurate; to permit, to approve, to allow / straight, right, proper, correct, just, true / to connect; to deliver, to exchange; to intersect; to mix / foundation, base

3

zhèng⁴

mark, sign, symbol; bid, prize / standard, accurate; to permit, to approve, to allow / straight, right, proper, correct, just, true / to connect; to deliver, to exchange; to intersect; to mix / foundation, base

4

jiāo¹

mark, sign, symbol; bid, prize / standard, accurate; to permit, to approve, to allow / straight, right, proper, correct, just, true / to connect; to deliver, to exchange; to intersect; to mix / foundation, base

5

jī¹

mark, sign, symbol; bid, prize / standard, accurate; to permit, to approve, to allow / straight, right, proper, correct, just, true / to connect; to deliver, to exchange; to intersect; to mix / foundation, base

As word