ECOLOGICAL SENSITIVE AREA

Huanghe-Huaihe-Haihe(HHH) zone in China

Huanghuai Wheat Production Zone

Huang-Huai wheat production zone

Huanglishu Miaoji Fault Zone

humid zone

humidity frontal zone

hybrid zone

hybridization zone

Hydrate Stability Zone

Hydrate stability zone HSZ

hydraulic capture zone

Hydrocarbon Accumulation Zone

Hydrocarbon alteration zone

Huanghe-huaihe-haihe zone

hydrocarbon enrichment zone