不充分

He has to deduce what he can from the few scanty cluse available.

他必须根据现有几条不充分线索进行推。

The coverage of the subject in his botany text is inadequate.

他植物学教科书中对那题述不充分。

Adsorbable gases can be separated by porous ceramic membranes under the capillary condensation mechanism of membrane separation, on which prior study was only limited to pure components.

多孔陶瓷膜在毛细管冷凝传作用能够有效地分离吸附性气体。而毛细管冷凝膜分离传研究还很不充分,前,文献报道仅局限于纯组分气体传模型研究。