先导指标 [Leading indicators]：作为预测市场未来趋势的经济指标。
还有更多务实的读者推荐木头托盘、纸箱、塑料拉伸缠绕膜等包装材料作为实用的先导指标。
More down-to-earth readers tipped packaging materials, such as wooden pallets, cartons and plastic stretch-wrap, as useful leading indicators.
同时本研究也是笔者作为“设计人工物文化”領域系列研究的第一步尝试，有其先导指标性的意义。
At the same time, the research is also the first step of trying to research the Series research of Design Artifact Culture that is with the leading and indicative meaning.
ASCO的产品包括电磁先导阀，角体活塞阀，线性指标，冗余控制系统，压力传感器。
ASCO products include solenoid pilot valves, Angle body piston valves, linear indicators, redundant control systems, and pressure sensors.
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