怎么会有这么多种子的园艺工具呢？
许多种子在果实里面。
许多种子在发芽前需要一段时间来分层，并在低温下储存一段时间。
Many seeds require a period of stratification, exposure to low temperatures for some minimum period, before they will germinate.
许多种子需要一段时间分层的原因是为了保证种子在恶劣的天气来临之后而不是之前生长。
The reason why many seeds require a period of stratification is to guarantee that the seeds grow after and not before unfavorable weather.
系统软件包括主程序，市电过零中断服务程序和多种子程序构成，采用模块化方法设计。
The system softwares include main program, voltage zero interrupt program and other sub-program, The system is designed with the model block.
我尽可能多地吃新鲜水果或者多种蔬菜，加上豆类、坚果类和整粒的谷物及植物种子。
I strive for fresh fruits and a variety of veggies, plus beans and nuts and whole grains and seeds.
进一步利用浸提液进行生菜、番茄、黄瓜等多种蔬菜种子的发芽试验发现发酵不充分的芦苇末基质浸提液显著抑制番茄和生菜的发芽率和胚根的伸长。
Results in the germination tests of several vegetable seeds showed that germination index of lettuce and tomato seeds were significantly inhibited by the insufficient substrate water extract.
关于种子休眠的概念有多种，这些概念引出了许多学说、假说和模型。
There are lots of concepts of seed dormancy, and these concepts induce many theories and hypotheses and models.
黑种草种子是著名的多种用途。
本文研究了多种植物种子中植物酯酶的提取方法和总酯酶活力，得出了最佳提取条件。
The extraction methods for optimum conditions and the general esterase activity of phytoesterase were studied.
本文研究了多种植物种子中植物酯酶的提取方法和总酯酶活力，得出了最佳提取条件。
The extraction methods for optimum conditions and the general esterase activity of phytoesterase were studied.
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