simplex

指电路或设备:信号每次单向传输；单向的。

Of a circuit or device: involving signals which travel in one direction at a time; unidirectional.

指多倍体生物:在所有同源染色体的特定位点上具有一个显性等位基因。

Of a polyploid organism: having one dominant allele at a given locus on all homologous chromosomes.

指单词:无(派生)词缀；简单、单语素、非复合的。

Of a word: having no (derivational) affixes; simple, monomorphemic, uncompounded.

指公寓(或有时其他房产):仅有一层；单层的。

Of an apartment (or, sometimes, another type of property): having only one floor or storey; single-storey.