The failure forms of the anchor can generally be divided into anchor bolt or planting steel failure, parent mental concrete failure and anchor bolt of reinforcement-planting pulling failure.

介绍了国内外对锚栓抗拉性能的研究成果，锚栓受拉破坏模式有五种形式，其中混凝土锥体破坏是最常见的。

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Nicola Williams, another parent teaching the course, says those whose children have mental health issues have been particularly pleased.

威廉姆斯(Nicola Williams)是另一位教授课程的母亲，她说那些小孩有心理健康问题的父母对此特别欢迎。

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For a parent who has concerns about their son or daughter's mental wellbeing, the experience of seeking information can be very frustrating.

那些关注子女心理健康的父母在寻求信息的路上可能会深受打击。

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The NSPCC says hundreds of babies in Wales could be living in families where at least one parent suffers from mental health issues, drug or alcohol abuse.

BBC: NSPCC raises baby safety concerns after 71 referrals

It also found a link between the mental health of the nondeployed parent at home and the well-being of the child.

CNN: Study: Military teens have more stress

Matching the irony that parents see in their own struggles, scientific studies have arrived at mixed results, with some reporting that parents are happier than their non-parent counterparts, while others hint at the fact that being a parent may actually take a serious toll on your mental health.

FORBES: The 'Better' Mother? How Intense Parenting Leads To Depression