On Assistant Lines in Primary Geometry

One Kind of Engineering Setting out Method Introducing Auxiliary Line

引入辅助线进行工程施工放样的一种方法

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You will see how to use curved guiding lines to position the eyes.

你会看到如何通过曲线作辅助线来定义眼睛摆放的位置。

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The lines of help on ladder-shaped problems

梯形问题的常用辅助线

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Create and edit on-screen guides with precise control.

精确地创建并修改屏幕显示辅助线。

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The latter of which is the most interesting, as it shows off another new feature, which is offside lines.

现在我来向大家介绍一个最有趣的新特性——那就是球场的越位辅助线。

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Along with the line of abrasives , a complementary line of tools and equipment was added , and another catalog was born .

随着线磨料，辅助线工具和设备的加入，和另一目录诞生了。

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Often you can "pull" a guideline from the rulers on the sides of page and place them where you want them.

通常你可以从页面旁的标尺上“拖拽”出一条辅助线，然后放置在需要的地方。

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Make sure to keep the help-lines in separate layers, so that you can easily hide and show them.

请务必保留辅助线的这个单独的图层，这样你可以很容易隐藏和显示它们。

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Also, an auxiliary line algorithm for solving branching problem was given.

并提出添加辅助线的分支处理方法。

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press CTRL + r appears to pull the ruler guides hold down the SHIFT key when you can accurately make close to scale auxiliary lines.

按Ctrl+R呈现标尺，在标尺洋拉出辅助线时按住Shift键不离可以不确不天使辅助线切近刻度。

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theoretically, the relationship between conditional dissolve product of magnesium phosphate and magnesium hydrate of byproduct and struvite and ph was explored herein.

从理论上计算鸟粪石和副反应产物磷酸镁和氢氧化镁的条件性溶度积随pH的变化关系，并用浊点法测定了不同pH下鸟粪石在水中的溶解度数据。

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in this paper the presentations, the applications of magnesium hydroxide sulfate hydrate whisker and calcium sulfate whisker on flame resistance and fireproofing are presented.

本文介绍了水合碱式硫酸镁晶须和硫酸钙晶须在阻燃防火中的应用。

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the influence of magnesium hydroxide sulfate hydrate whiskers ( mhsh) on the properties of ldpe composites has been studied systemically.

系统研究了碱式硫酸镁晶须（M HSH）对低密度聚乙烯（LDPE）性能的影响。

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study on the hdpe reinforced with magnesium hydroxide sulfate hydrate

镁盐晶须增强聚乙烯力学性能的研究

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the result showed that mgo and microsilica could react at room temperature which gave a hardened product primarily comprised of mg ( oh)_2 and gel magnesium silicate hydrate ( m-s-h).

结果表明，添加合适的外加组分，常温下MgO-SiO2-H2O体系具有比较优异的胶凝性能，其水化产物主要是非晶态的水化硅酸镁和Mg（OH）2；

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it is recognized that sooghua crystal is formed by magnesium hydroxide hydrate.

可以认定松花晶体的化学构成是较为纯净的氢氧化镁水化物。

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solid surface of magnesium chloride hydrate are nearly homogeneous.

氯化镁水合物固体表面基本均匀，且只有一个活化中心。

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as green additives to polymer material, magnesium hydrate flame retardants are colorless, non-toxic, tasteless, non-corrosive nature. the morphology of magnesium hydrate affects the mechanical properties of polymer material.

氢氧化镁阻燃剂具有无色、无毒、无味、无腐蚀性等性质，是绿色环保型高分子材料添加剂。

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studies of the toughness and reinforcement of pp/ magnesium hydrate whisker/ poe composites

镁盐晶须、聚烯烃弹性体增强增韧聚丙烯研究

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broad application prospects of magnesium hydrate

应用前景广阔的氢氧化镁

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