a large amount of

A large amount of amorce was needed.

需要大量起爆剂。

By any yardstick, that’s a large amount of money.

用任何标准衡量，那都是巨大金额。

A large amount of research results showed that plants show isohydric behavior when the plant hydraulic and chemical signals cooperate to promote the stomatal regulation of leaf water potential.

当植水力信号和化学信号共同作用促进气孔对叶水节时，植对叶水节表现为等水行为。

From 2003 to 2004, we collected a large amount of Nautiloid and Graptolite fossils in upper metamorphic formations of Mayigangri area and determined the age to be middle and Late Ordovician-Silurian.

在羌塘南部地区发现有可靠化石依据早古生代地层存在尚属首次。