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biological adj.生物學(上)的。 a biological te...

The “production'concerned must be evaluated in monetary and not biological terms . 有關“生產”情況必須用貨幣而不是用生物學的單位來作出估價。

biological agent

Brazil is trying to develop energy from its immense resources of biological materials by literally growing its own fuel . 巴西腳踏實地生產自己的燃料,正試圖從豐富的生物資源中開發能源。

A change in waste water volume such as this could drastically affect the operation of a conventional biological treatment plant . 這樣的廢水量的變化可能強烈地影響傳統生物處理站的運轉。

These experiments left little doubt that appropriate light changes could override signals from the biological clock . 這些試驗使我深信不疑,適當的光照變化能夠克服來自“生物鐘”的信號。

This sewage-consuming biological process depends on a closely interrelated succession of species of animal plankton . 這種污水的生物凈化過程就依賴著浮游動物種類的一種密切相關的演替。

Culture is that which men create for themselves and transmit to their successors by other than biological means . 文化是人們為自己創造,并使用生物學以外的其它手段留傳給后人的事物。

From a broader point of view, photosynthesis is but one of the interesting biological facets of chloroplasts . 從一個較廣泛的觀點看,光合作用只是葉綠體有意義的生物學特征中的一個。

We tend to distinguish one ecosystem from another according to the most apparent features of its biological components . 我們往往根據其中特征最明顯的生物成分來區分不同的生態系統。

Particulate matter in soils and aquatic systems reacts with and influences the biological activity of pesticides . 土壤和水系統中的顆粒物質都與農藥的生物活動起反應,并影響后者。

What we call the evolutionary hypothesis is an explanation of a host of biological and paleontological observations . 我們所說的進化假說是關于生物學和古生物學的大量觀察的解釋。

But there are also dangers in such work, even though most biological laboratories have strict safety rules . 即使大多數的生物實驗室都有嚴格的安全規定,但這種工作仍存在著危險。

Taxonomy can lay claim to being the oldest, the most basic and the most all-embracing of the biological sciences . 分類學可以說是最古老,最基礎而又最包羅萬象的一門生物學科。

One great biological puzzle is why membrances frequently fuse intracellularly, but rarely intercellularly . 一個生物學的大迷團是為什么膜層經常在細胞內而很少在細胞間融合。

There are as well as density-dependent biological factors such as disease, predation, and intraspecific competition . 還有密度制約的生物因素,諸如病害、捕食和種內競爭等。

Biological communities are initially limited by the existing physical properties of the site on which they occur . 生物群落在其出現的地區最先受到生存環境自然特點的限制。

For one reason, most biological effects operate at these, or lower levels of concentration . 一個原因是:大多數生物效應都是在這樣的(或者更低的)濃度水平下起作用的。

There is a unifying theme, and that is the theme of information flow within biological systems . 我們可以用一個總的命題,把生物學系統內的信息流來作為這一研究主題。

It is possible that the ardor of foreign migration is more selective of hardy biological stock . 這大概是外國移民的生命力具有較強的生物系世系的選擇性之故。

The biological effects of various gamma-radiation doses will be considered more fully in chapter xi . 在第十一章中還要更全面地討論不同輻射劑量的生物效能。