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- Safe net system is a passive control technique for rockfall in recent years. 危巖是我國山地一種主要地質(zhì)災害類(lèi)型,攔石網(wǎng)是近年應用的一種落石柔性被動(dòng)防護系統。
- On the other hand, study of rockfall doesn't comply with the characters of safe net system. 另一方面落石運動(dòng)研究成果沒(méi)有同攔石網(wǎng)系統特點(diǎn)相結合。
- Social security is protective umbrella and the social safe net of social group as the important means of citizen resistance risk and crisis. 摘要社會(huì )保障作為公民抵抗風(fēng)險與危機的重要手段，是社會(huì )群體的杜會(huì )安全網(wǎng)和保護傘。
- To study safe net system,on the one hand,much attention is paid to system itself without care of characters of rockfall trace and initial motional parameters. 將落石在坡面運動(dòng)狀態(tài)歸結為跳躍、滾動(dòng)和滑動(dòng),并以危巖起始運動(dòng)速度作為初始速度,通過(guò)分段計算得到落石沿坡面的完整運動(dòng)路徑。
- Finally based on the results of rockfall trace calculation combined with the characters of safe net system, the authors presented the conception and method of design of safe net system. 最后，根據落石運動(dòng)特性計算結果，結合攔石網(wǎng)系統特點(diǎn)，提出了攔石網(wǎng)基于落石特性計算布設的原則和方法。
- Is any of these wild fruits safe to eat? 這些野生水果有哪一種是安全可吃的嗎？
- The pilot manages to glide down to a safe landing. 駕駛員設法使飛機滑行下降安全著(zhù)陸。
- He opened his safe and drew out a petty-cash box. 他打開(kāi)保險柜取走一個(gè)小錢(qián)匣。
- She was a bit on edge till she heard he was safe. 她聽(tīng)到他安然無(wú)恙才放下心來(lái)。
- Always keep your driving licence in a safe place. 駕駛執照一定要妥善保管。
- He hit the tennis ball over the net. 他把網(wǎng)球打過(guò)了網(wǎng)。
- The thieves got away with the contents of the safe. 那些竊賊偷走了保險箱內的東西。
- The ball glanced off the goal post into the net. 球撞到球門(mén)柱上斜飛入網(wǎng)。
- The net weight of this jar of coffee is 180 grams. 這瓶咖啡凈重180克。
- The train is a safe means of transportation. 火車(chē)是一種安全可靠的交通工具。
- Anxiously await your safe arrival. 急切地等待您安然到達。
- There is no safe landing on that coast. 那一帶海岸沒(méi)有安全的登陸處。
- They have got home safe and sound. 他們已平安到家。
- If I lose my job, I've got no safety net. 我丟掉這份工作就無(wú)計可施了。
- The fish tangled in the mesh of the net has died. 那條卡在網(wǎng)眼上的魚(yú)已經(jīng)死了。
