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In all the years he worked at Tuskegee, he never accepted a raise in salary and rarely patented his discoveries.

在塔斯基吉学院工作的那些年里，他从未接受过一次加薪，也很少为自己的发明注册过专利。

Stems elongated and twining or prostrate and creeping, rarely erect in some individuals.

茎拉长和缠绕的或匍匐和匍匐，很少在一些个人里的直立。

Since this award was not usually bestowed on the field, typewritten or unofficial documents are very rarely encountered.

因为这个奖章通常未被赠送在领域，打字敲的或非官方的文件非常罕见。

The way in which they manage this aspect of their business has , however , been little studied as an entity ; it has featured on the margins of research focused in other directions , such as organizational communication and typographic design , and has rarely been looked at in the context of information science , information management and organizational behavior .

以何种方式管理这方面的业务，不过，几乎没有研究作为一个整体，它已对精选的边缘研究的重点在其他方向，如组织的沟通和排版设计，并已很少被研究的语境中的信息科学，信息管理和组织行为。

Inflorescence an axillary cluster of flowers, rarely a solitary flower, sometimes a raceme or umbel.

花序花，很少一单生花，有时总状花序或伞形花序的腋生簇束。

Inflorescence usually terminal, rarely axillary, umbellate or racemose-umbellate,(1–)3–9-flowered.

很少，花序通常顶生总状的腋生，伞形或，1-3-9花。

Inflorescences umbellate, rarely a solitary flower, with bracts.

伞形的花序，很少一单生花，具苞片。

Inflorescences terminal, umbellate or corymbose, rarely shortly paniculate, many flowered, sometimes flowers 2- or 3-clustered or solitary.

花序顶生，伞形或，很少短圆锥状，多花的，有时花2或3簇生或单生。

Inflorescences axillary and umbellate cymes or umbellate or terminal and cymose panicles; peduncle usually short, rarely long or absent; bracts absent or caducous.

花序腋生和伞形的聚伞花序或伞形或顶生和聚伞状圆锥花序；通常的花序梗短，很少长或无；苞片无的或早落。

Inflorescences terminal, few-flowered cymes, cymose panicles, or rarely umbellate cymes; bract small, frequently caducous.

花序顶生，很少花，聚伞状圆锥花序，伞形的或很少聚伞花序；苞片小，经常早落。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。