Trench warfare is resorted to when the superior firepower of the defense compels the opposing forces to "dig in" so extensively as to sacrifice their mobility in order to gain protection.

当防守方的优势火力迫使敌方广泛“掘壕”，以牺牲机动性来获得防护力时，就会发生堑壕战。

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Stubbornness is a defense mechanism that children adopt in order to escape their controlling parents' will.

固执是儿童采取的一种防御机制，目次是为了逃避父母的控制。

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This latest order adds to a recent trend of the Defense Department ordering and using the unmanned systems in battle Settings.

该最新的订单表明，国防部在战斗设置中订购和使用无人系统成为最近的趋势。

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While the Japan Coast Guard is responsible for protecting Japan's coastlines, the defense minister can order the Self Defense Forces to be deployed for maritime security operations if the situation is considered beyond the coast guard's capabilities.

WSJ: Japan on Alert Over Submarines Near Its Territorial Waters

"The FBI considers these matters to be potentially serious breaches of national security and will continue to work jointly with the Department of Defense in order to successfully resolve these matters and limit the damage they have caused, " John Pistole, assistant director of the FBI's counterterrorism division, told the committee.

CNN: Pentagon seeks new input in hiring Muslim chaplains

The survey supports this observation, in that 92 percent of respondents agree that self-defense, in order to interrupt an in-progress attack, is a necessity.

FORBES: Is Your IT Posture That Of A Protector, Detective, or Warrior?