It provides tools for statistically measuring and comparing the effectiveness of lessons, relative both to the entire student population and to subgroups based on demographics and other factors.
它提供了统计学上衡量和比较课业的成效，并根据统计数据和其他因素对全体学生进行划分的工具。
Digital cymometer is one of the important measurement tools in the field of modern electronic technology, it is also widely used in many other areas of the measuring instruments.
数字频率计是近代电子技术领域的重要测量工具之一，同时也是其他许多领域广泛应用的测量仪器。
Oftentimes the assembly includes a mud motor, directional drilling and measuring equipment, measurements-while-drilling tools, logging-while-drilling tools and other specialized devices.
井底钻具组合经常包括一个泥浆马达、定向钻进及测量设备、随钻测量工具、随钻测井工具和其它特殊的装置。
The instrument provides a new and important method for the dynamic test of circular locus motion errors of 3-d measuring machines, NC machine tools and other equipments.
该仪器为三座标测量机、数控机床等设备的圆轨迹运动误差的动态检测提供了新的重要手段。
Our main products are fasteners, metal tools, measuring tools and the other industrial spare parts.
我司主要产品包括紧固件、五金工具、量刃具、工业零配件等。
FT-track tool cabinet tool cabinet in this series with dual drawer, 100% open, every drawer loading 90kg, apply to place the measuring tools, cutting tools, tooling and other items.
FT双轨工具柜本系列工具柜采用双轨式抽屉，可100%打开，每屉承重90kg，适用于放置量具、工具、刀具、工装等物品。
FC-track tool cabinet tool cabinet in this series with dual drawer, 100% open, every drawer loading 90kg, apply to place the measuring tools, cutting tools, tooling and other items.
FC双轨工具柜本系列工具柜采用双轨式抽屉，可100%打开，每屉承重90kg，适用于放置量具、工具、刀具、工装等物品。
TC-track tool cabinet tool cabinet in this series with dual drawer, 100% open, every drawer loading capacity 150kg, suitable for placing measuring tools, cutting tools, tooling and other items.
TC双轨工具柜本系列工具柜采用双轨式抽屉，可100%打开，每屉承重150kg，适应于放置量具、工具、刀具、工装等物品。
TCK-track tool cabinet tool cabinet in this series with dual drawer, 100% open, every drawer loading capacity 150kg, suitable for placing measuring tools, cutting tools, tooling and other items.
TCK双轨工具柜本系列工具柜采用双轨式抽屉，可100%打开，每屉承重150kg，适应于放置量具、工具、刀具、工装等物品。
LQ monorail tool cabinet tool cabinet in this series by monorail drawer, can be 85% open, every drawer loading 60kg, apply to place the measuring tools, cutting tools, tooling and other items.
LQ单轨工具柜本系列工具柜采用单轨式抽屉，可85%打开，每屉承重60kg，适用于放置量具、工具、刀具、工装等物品。
QC Monorail tool cabinet tool cabinet in this series by monorail drawer, can be 85% open, every drawer loading 60kg, apply to place the measuring tools, cutting tools, tooling and other items.
QC单轨工具柜本系列工具柜采用单轨式抽屉，可85%打开，每屉承重60kg，适用于放置量具、工具、刀具、工装等物品。
QC Monorail tool cabinet tool cabinet in this series by monorail drawer, can be 85% open, every drawer loading 60kg, apply to place the measuring tools, cutting tools, tooling and other items.
QC单轨工具柜本系列工具柜采用单轨式抽屉，可85%打开，每屉承重60kg，适用于放置量具、工具、刀具、工装等物品。
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