We studied solutions, procedures, methods and control measures for excavation and protective support;

研究开挖、支护施工方案、程序、方法和控制措施；

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They found that chimpanzee females use copulation calls strategically to enlist the future protective support of males against aggressive group members, especially other females.

BBC: Monogamy shunned by female chimps

Research has shown that social isolation can be a risk factor for suicide while social support has a protective role.

FORBES: A Vaccine Against Suicide?

He has conducted studies on living neurons which suggest that the tau protein is produced in response to oxidative stress, thus lending support to the protective hypothesis.

ECONOMIST: Dementia