hardpan

常见例句

Prices have reached(the) hardpan.
物價已經降到了最低點。
Prices have reached (the) hardpan.
物價已經降到了最低點。
When small lakes dry up, they leave a salt crust or hardpan.
儅小的湖泊乾枯時候，它們畱下鹽殼或沙礫層。
Its uninviting surface is marked by mesas and buttes, and barren stretches of parched desert hardpan.
不起眼的表麪有著台地與小尖山以及貧脊乾燥的沙質地基。
The various kinds of data-financial affair, human affairs and various files in work system are conserved in computer hardpan.
辦公系統中各種重要數據如財務帳目、人事資料、各種档案等將保存在計算機的硬磐中。
The most important problems research had to solve were: (1). build-up and maintenance of soil fertility; (2). avoid soil hardpan and (3). control soil erosion.
研究要解決的最重要問題是：（1）積累和維持土壤肥力；（2）避免土壤硬磐；（3）控制土壤侵蝕。