tèzhēngxiàngliàng
ㄊㄜˋ ㄓㄥ ㄒㄧㄤˋ ㄌㄧㄤˋ
Simplified 特征向量
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 特徵向量 and it comes back until you know it.