典型的水下植物有轮藻目，池塘杂草，角苔纲和睡莲。
Typical submerged plants are Charales, pond weed, hornworts and water lilies.
令卫星“目盲耳聋”(这话出自今年五角大楼的一份报告)的技术设计日趋复杂，太空强国将加紧对策研究。
With increasingly sophisticated technologies designed to "blind and deafen" satellites, to use a phrase from a Pentagon report this year, space powers will step up research into countermeasures.
斜楔插板上的斜楔面推动废边的三角槽一侧，使板料向前运动，达到板料定位和自动送料的目。
The surface of inclined wedge pushes the triangle side of the waste and makes the plate move ahead, thus meeting the re.
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