不超过

This may be attributed to the presence of microcrack induced by thermal expansion anisotropy of BN.

在BN基料中引入不超过20％锆刚玉莫来石时，材料仍保持其优良的抗热震性。

Beta-carotene, not more than 10000 IU daily- Selenium, 200 microgram daily

Beta胡罗卜素，每天服用不超过10000IU--硒，每天200微克

The accuracy of the clock is within fractions of a microsecond a day of the international time standard kept by the International Bureau of Weights and Measures in France.

该钟所报时间与位于法国的国际度量衡局所规定的国际时间标准比较，每日相差不超过一微秒。

Today's microsurgery requires a cut of less than 2mm.

今天的显微外科只需要不超过2毫米的一个开口。

Available funds may be expended, upon approval of the Migratory Bird Conservation Commission, for payment of not to exceed 50 percent of the United States share of the cost of wetlands conservation projects in Canada, Mexico, or the United States (or 100 percent of the cost of projects on Federal lands).

资金到位会的经费，经核准后的候鸟保护委员会，用以支付不超过百分之五十的美国分担的费用湿地保育工程，在加拿大，墨西哥或美国（或100 ％的成本项目对联邦土地）。

They walked no more than 5 mile.

他们走的路最多不超过5英里。

The American Heart Association recommends no more than 300 milligram per day.

美国心脏协会建议不超过300毫克每天。

Zinc, not more than 500 milligram daily

锌，每天不超过500毫克

Zinc, not more than 500 milligram daily- Lipoic acid, 50 mg daily

锌，每天不超过500毫克--硫辛酸，每天50毫克

The Brookesia Minima is the world's smallest species of chameleon. This one is just half an inch.

Brookesia是世界上个头最小的一种变色龙，身长不超过半英寸。

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。