sacrificial shield(bio-shield)  牺牲屏蔽; 生物屏蔽

axial compression ratio and slenderness ratio  轴压比和长细比

B-C ratio (benefit-cost ratio)  边界代表

benefit-cost ratio (B-C ratio)  损益平衡点

focal ratio (=focal-length ratio)  焦比

grinding ratio(G-ratio)  磨削比

maximum ratio combing according to signal to noise ratio  基于信噪比最大比加权

recirculation ratio recycle ratio  压力调节阀

recycle ratio recirculation ratio  经济回流比

signal-noise ratio (=signal-to-noise ratio =SNR)  讯噪比

stop ratio and start ratio in time segment  时段停车率和时段启动率

price--earnings ratio;P/E ratio  市盈率; 市价盈利率

“West Lake”water shield soup  西湖莼菜汤

2-Leg Shield Support  两柱掩护式支架

6 kV cabtyre cables with monitoring shield for mobile mining applications  6kV矿用移动屏蔽监视型橡套软电缆

A P Shield  盾甲磷

Abnormal shape shield  异形盾构

abnormally shaped cold shield  异形冷屏

Absorption shield  吸收屏蔽