种量 meaning in English

principal component

Reliability , validity and responsibility of three rating scales in measuring the quality of life of patients with type 2 diabetes
三种量表在2型糖尿病患者生活质量评估中的信度和效度及反映度比较
Overall , however , other commercial bang couldn ' t compared with guangdong - hong kong in many aspects such as the scope of business lines , the type and quantity of goods , the growth of the industry
但是，从总体上看，以商路范围之广、经营商品的种量之多和数量之巨、所营造行业发育之齐全，各帮系统都无一可与粤港商帮相比。
It deduces the state estimation equation with phasor measurement . considering the cases that look the phasor measurement as a reliable measurement or as a doubtful measurement . the paper analysis the rate and the precision of the state estimation
论文中推导了引入功角以后的状态估计方程，考虑了将功角量测量作为完全可信和不完全可信两种量测量加入到状态估计方程中。