上限的英文：
toplimit

The capacitor surface temperature will not exceed the upper rated temperature.
电容器表面温度不许超过额定上限温度。

The debt-ceiling agreement is complicated and opaque.
提高债务上限的协议十分复杂，晦涩难懂。

Its upper limit is determined by the conditions in the ionosphere
其上限由电离层的状态而决定。

Interest rate cap [IBRD]: A limit on the amount of interest that can be levied on a variable rate loan.
利率上限[国际复兴开发银行]:对可变利率贷款能够征收的利息额的限度。

In a panoramic survey of nature, speed is interesting because it has a ceiling.
概观自然全景，速率是有趣的，因为它有一个上限。

EPDM is rated at 250℉ intermittent service and 225℉ continuous service.
在间歇流动的流体中,EPDM的温度上限是250℉,而在连续流动的流体中,其温度上限是225℉。

If the cable is to remain flexible there exists an upper limit to its overall diameter and hence to conductor size.
若要使电缆能弯曲,其总直径就有一个上限,从而电缆芯导线直径也有一个上限。

Apart from cancelling the US$3bn investment ceiling for qualified foreign institutional investors
除了取消对合格境外机构投资者(QFII)30亿美元的投资上限外

What should be the upper acceptable levels within these bounds is a subject of much debate.
在这些范围内可接受的上限浓度究竟是多少却是一个激烈争论的问题。

By mid-June, the price basket had sailed past the 20-day upper trigger
到六月中旬为止石油价格就已经超过了20天的上限。