A Photostat copy of this authorization shall be considered as effective and valid as the original.

A photostatic copy of this authorization shall be as valid as the original.

此授权书的影印本与正本具同等效力.

First, crops are grown, using the sunlight and carbon dioxide as food through photosynthesis.

第一, 植物通光合作用利用阳光和二氧化碳进行生长.

It may interfere with plant photosynthesis, causing ecological damage and reducing agricultural production.

它会影响植物的光合作用, 引起生态受损,降低农业产量.

Have to provide water by photosynthesis of CO 2.

提供水草光合作用所须之CO2.

Raw material can be energy that shows energy passes photosynthesis to store with biologic form.

生物质能是指太阳能通过光合作用以生物的形式储存的能量.

The photosynthesis is the most important and photochemical process found in photosynthetic organisms in the nature.

光合作用是自然界中的有机生物吸收太阳光能并将其转化为稳定的化学能的重要途径.

Therewas an extremely significant positive correlation between the rate of photosynthesis and rate ofphotosynthate export.

光合速率与光合产物输出速率和光合产物输出百分率成显著正相关.

For experimental purposes , scientists originally assumed that photoperiodism worked through photosynthesis.

为了进行实验, 科学家们最初曾经设想,光周期现象可能是通过光合作用实现的.

Photosynethically Available Radiation ( PAR ) is an important energy sources of photosynthesis for the green plants.

光合有效辐射(PhotosyntheticallyAvailableRadiation, 简称 PAR ) 是植物进行光合作用的重要能量来源.

By means of photosynthesis, plants convert the radiant energy of the sun into chemical energy.

通过光合作用, 植物将太阳的辐射能转为化学能.

This process called photosynthesis sustains almost all life on Earth.

这个过程叫做光合作用,它使地球上几乎所有的生命得以维持.

Some of the carbon dioxide absorbed by plants during photosynthesis is radioactive.

植物在光合作用中吸收的一些二氧化碳具有放射性.

The high rate of nitrogen and phosphorus is unfavourable to the photosynthesis of the phytoplankton.

过高的氮磷比不利于浮游植物进行光合作用.

Eventually, photosynthesis arrived in the form ofcyanobacteria.

起初, 陆地上大多是岩石和冰,后来,随着植被的出现,才形成了今天的地球.

If it were not for photosynthesis, the world would starve to death.

要不是由于光合作用, 世人就要饿死.

An example for plastids are chloroplasts, in which photosynthesis occurs.

质体的一个例子是发生光合作用的叶绿体.

The second reason light is important to organisms is that it is essential for photosynthesis.

光对于生物很重要的第二个原因是它对于光合作用极其重要.

The leaf was allowed to photosynthesize in the presence of radiocarbon.

叶子被允许同放射性碳进行光合作用.

The plant can then reach the light faster and photosynthesize and synthesize more chlorophyll.

这种植物被置于光下后,可迅速的开始光合作用,合成大量叶绿素.

Leaf area is the best measure of the photosynthesizing capacity of the plant.

叶面积是测定植株光合能力的最好尺度.